Citazione Stile APA (7a Edizione)

Perry, S., & Dawson, J. (1988). The secrets our body clocks reveal. Rawson Associates.

Citazione stile Chigago Style (17a edizione)

Perry, Susan, e Jim Dawson. The Secrets Our Body Clocks Reveal. New York: Rawson Associates, 1988.

Citatione MLA (9a ed.)

Perry, Susan, e Jim Dawson. The Secrets Our Body Clocks Reveal. Rawson Associates, 1988.