APA (7th ed.) Citation

Howells, J. G., & Osborn, M. L. (1984). A reference companion to the history of abnormal psychology. Greenwood Press.

Chicago Style (17th ed.) Citation

Howells, John G., and M. Livia Osborn. A Reference Companion to the History of Abnormal Psychology. Westport, Conn.: Greenwood Press, 1984.

MLA (9th ed.) Citation

Howells, John G., and M. Livia Osborn. A Reference Companion to the History of Abnormal Psychology. Greenwood Press, 1984.