Cita APA (7a ed.)

Adcock, C. (1979). Fundamentals of psychology (1st ed., 9th reprinted.). Penguin Books.

Cita Chicago Style (17a ed.)

Adcock, C.J. Fundamentals of Psychology. 1st ed., 9th reprinted. Middlesex [etc.]: Penguin Books, 1979.

Cita MLA (9a ed.)

Adcock, C.J. Fundamentals of Psychology. 1st ed., 9th reprinted. Penguin Books, 1979.