General mentions of periodicals or websites as a whole do not need to have citations nor reference entries. For example, "There is much debate regarding whether Wikipedia is a truly peer-reviewed resource."
Follow these examples of APA Style by type of source:
Reference page:
Medicine Hat College. (2010). Our mandate. Retrieved May 5, 2021, from https://www.mhc.ab.ca/AboutMHC/CollegeProfile/Mandate
In-text:
Medicine Hat College (2010) lists . . . . (Mandate section, para. 2). OR . . . . (Medicine Hat College, 2010, Mandate section, para. 2).
See pp. 273, 350-352 in the APA Publication Manual
Reference page:
Health Canada. (2006, April 4). Residential indoor air quality guideline: Formaldehyde (HC Publication No. 4120). https://www.canada.ca/content/dam/canada/health-canada/migration/healthy-canadians/publications/healthy-living-vie-saine/formaldehyde/alt/formaldehyde-eng.pdf
In-text:
The Health Canada (2006) report noted that . . . . (p. 2). OR . . . . (Health Canada, 2006, p. 2).
See p. 329 in the APA Publication Manual
Reference page:
Schroeder, S. (2009, October 4). Apple to Woolworths: Your new logo is too Apple-y. Mashable. http://mashable.com/2009/10/05/apple-woolworths-logo/
In-text:
Schroeder (2009) reported that . . . . (para. 1). OR . . . (Schroeder, 2009, para. 1).
See p. 320 in the APA Publication Manual
See also American Psychological Association's examples here
Reference page:
History of immigration to Canada. (2021, May). In Wikipedia. https://en.wikipedia.or/w/index.php?title=History_of_immigration_to_Canada&oldid=1021967699
In-text:
The “History of Immigration” (2021) article states that . . . . (para. 1). OR . . . . (“History of Immigration,” 2021, para. 1).
See p. 329 in the APA Publication Manual
Reference page:
Morton, B. & Faulkner, D. (2021, May 14). Indian variant: Second jabs could be brought forward to tackle rise. BBC News. Retrieved May 14, 2021, from https://www.bbc.com/news/uk-57109660
In-text:
According to Morton and Faulkner (2021, para. 3). . . . OR . . . . (Morton & Faulkner, 2021, para. 3).
See pp. 320, 351 in the APA Publication Manual
Twitter -- Tweet
Reference page:
Redford, A. [@Premier_Redford]. (2013, April 3). Wishing former Premier Don Getty a speedy recovery & return to good health #ableg [Tweet]. Retrieved April 3, 2020, from https://twitter.com/Premier_Redford/status/319428072992538627
In-text:
According to Redford (2013) . . . . OR . . . . (Redford, 2013).
See pp. 348-349 in the APA Publication Manual
Reference page:
myredroom. (2007, June 10). Paul sings Nessun Dorma [Video]. YouTube. http://www.youtube.com/watch?v=1k08yxu57NA
In-text:
Simon Cowell, a notoriously difficult judge, said that Paul Potts' performance on Britain's Got Talent, “was a complete breath of fresh air” (myredroom, 2007).
OR
According to myredroom (2007) Cowell went on to say that, “I thought you were absolutely fantastic.”
See p. 215 in the APA Publication Manual
American Psychological Association. (2020). Publication manual of the American Psychological Association (7th ed.). https://doi.org/10.1037/000165-000