APA (7th ed.) Citation

Barker, M. (2003). Introductory psychology: History, themes, and perspectives. Crucial.

Chicago Style (17th ed.) Citation

Barker, Meg. Introductory Psychology: History, Themes, and Perspectives. Exeter: Crucial, 2003.

MLA (9th ed.) Citation

Barker, Meg. Introductory Psychology: History, Themes, and Perspectives. Crucial, 2003.

Warning: These citations may not always be 100% accurate.