APA (7th ed.) Citation

Gross, R. D. (2003). Key studies in psychology (4th ed.). Hodder & Stoughton.

Chicago Style (17th ed.) Citation

Gross, Richard D. Key Studies in Psychology. 4th ed. London: Hodder & Stoughton, 2003.

MLA (9th ed.) Citation

Gross, Richard D. Key Studies in Psychology. 4th ed. Hodder & Stoughton, 2003.