APA (7th ed.) Citation

Sheehy, N., Chapman, A. J., & Conroy, W. (1997). Biographical dictionary of psychology. Routledge.

Chicago Style (17th ed.) Citation

Sheehy, Noel, Anthony J. Chapman, and W.A Conroy. Biographical Dictionary of Psychology. London: Routledge, 1997.

MLA (9th ed.) Citation

Sheehy, Noel, et al. Biographical Dictionary of Psychology. Routledge, 1997.