This is what an APA citation looks like.
Parents should be concerned about online advertising. These advertisers are manipulative, and children are more vulnerable than most parents expect (Cornish, 2014, p. 454).
Cornish, L. S. (2014). 'Mum, can I play on the internet?' Parents' understanding, perception and responses to online advertising designed for children. International Journal of Advertising, 33(3), 437-473.
Citations will have different formats depending on what you're citing (a book, an article from a database, a video, etc.). Want to see more examples of APA citations? Go to OWL at Purdue.