Cita APA (7th ed.)

Leff, H. (1978). Experience, environment & human potentials. Oxford uni.press.

Cita Chicago (17th ed.)

Leff, Herbert. Experience, Environment & Human Potentials. New York: Oxford uni.press, 1978.

Cita MLA (9th ed.)

Leff, Herbert. Experience, Environment & Human Potentials. Oxford uni.press, 1978.