Cita APA (7th ed.)

Block, J. D. (1996). Secrets of better sex. Parker Pub.

Cita Chicago (17th ed.)

Block, Joel D. Secrets of Better Sex. West Nyack, N.Y: Parker Pub, 1996.

Cita MLA (9th ed.)

Block, Joel D. Secrets of Better Sex. Parker Pub, 1996.