Cita APA (7a ed.)

LoPiccolo, J., & LoPiccolo, L. (1978). Handbook of sex therapy. Plenum.

Cita Chicago Style (17a ed.)

LoPiccolo, Joseph, y Leslie LoPiccolo. Handbook of Sex Therapy. New York [etc.]: Plenum, 1978.

Cita MLA (9a ed.)

LoPiccolo, Joseph, y Leslie LoPiccolo. Handbook of Sex Therapy. Plenum, 1978.