APA (7th ed.) Citation

Gross, R. D. (1999). Key studies in psychology (3rd ed.). Hodder & Stoughton.

Chicago Style (17th ed.) Citation

Gross, Richard D. Key Studies in Psychology. 3rd ed. London: Hodder & Stoughton, 1999.

MLA (9th ed.) Citation

Gross, Richard D. Key Studies in Psychology. 3rd ed. Hodder & Stoughton, 1999.