Cita APA (7a ed.)

Radford, J., & Kirby, R. (1975). The person in psychology. Methuen.

Cita Chicago Style (17a ed.)

Radford, John, y Richard Kirby. The Person in Psychology. London: Methuen, 1975.

Cita MLA (9a ed.)

Radford, John, y Richard Kirby. The Person in Psychology. Methuen, 1975.