APA (7th ed.) Citation

Shaffer, J. B. P. (1978). Humanistic psychology. Prentice-Hall.

Chicago Style (17th ed.) Citation

Shaffer, John B. P. Humanistic Psychology. Englewood Cliffs: Prentice-Hall, 1978.

MLA (9th ed.) Citation

Shaffer, John B. P. Humanistic Psychology. Prentice-Hall, 1978.