Cita APA (7th ed.)

Beale, B. (2001). Men: From stone age to clone age. Penguin.

Cita Chicago (17th ed.)

Beale, Bob. Men: From Stone Age to Clone Age. New Delhi: Penguin, 2001.

Cita MLA (9th ed.)

Beale, Bob. Men: From Stone Age to Clone Age. Penguin, 2001.