Citazione Stile APA (7a Edizione)

Powis, R. (1985). The human body and why it works. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Powis, Raymond. The Human Body and Why It Works. Englewood Cliffs, New Jersey: Prentice-Hall, 1985.

Citatione MLA (9a ed.)

Powis, Raymond. The Human Body and Why It Works. Prentice-Hall, 1985.