Cita APA (7th ed.)

Ruddock, R. (1972). Six approaches to the person. Routledge and K. Paul.

Cita Chicago (17th ed.)

Ruddock, Ralph. Six Approaches to the Person. London, Boston: Routledge and K. Paul, 1972.

Cita MLA (9th ed.)

Ruddock, Ralph. Six Approaches to the Person. Routledge and K. Paul, 1972.