Cita APA (7th ed.)

Walker, K. (1945). Human Physiology (2. Aufl.). Penguin Books.

Cita Chicago (17th ed.)

Walker, Kenneth. Human Physiology. 2. Aufl. Harmondsworth;New York: Penguin Books, 1945.

Cita MLA (8th ed.)

Walker, Kenneth. Human Physiology. 2. Aufl. Penguin Books, 1945.

Atenció: Aquestes cites poden no estar 100% correctes.