APA (7th ed.) Citation

Sheehy, N. (2004). Fifty key thinkers in psychology. Routledge.

Chicago Style (17th ed.) Citation

Sheehy, Noel. Fifty Key Thinkers in Psychology. London ; New York: Routledge, 2004.

MLA (9th ed.) Citation

Sheehy, Noel. Fifty Key Thinkers in Psychology. Routledge, 2004.

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