Family Nurse Practitioner

The APA Style Blog gives an overview of In-Text Citation Style.

The Publication Manual of the American Psychological Association is the style manual of choice for writers, editors, students, and educators in the social and behavioural sciences. It provides invaluable guidance on all aspects of the writing process, from the ethics of authorship to the word choice that best reduces bias in language.

Reference List: Electronic Sources might be of particular use if you are having trouble citing something from the internet.