Cita APA (7th ed.)

Wolff, R. (2004). Bodybuilding 201: Everything you need to know to take your body to the next level. Contemporary Books.

Cita Chicago (17th ed.)

Wolff, Robert. Bodybuilding 201: Everything You Need to Know to Take Your Body to the Next Level. Chicago: Contemporary Books, 2004.

Cita MLA (9th ed.)

Wolff, Robert. Bodybuilding 201: Everything You Need to Know to Take Your Body to the Next Level. Contemporary Books, 2004.