In-text citations follow the Author-Date pattern. In-text citations can appear at the end of a sentence (parenthetical in-text citation) or in the text of the sentence if the author's name is incorporated (narrative in-text citation). If a work is by three or more authors, list the first author's last name followed by the phrase "et al." and the year of publication.
The following quick guide from Academic Writer will cover the following on citations: