APA (7th ed.) Citation

Walker, K. (1951). Human psysiology. Penguin Books.

Chicago Style (17th ed.) Citation

Walker, Kenneth. Human Psysiology. Penguin Books, 1951.

MLA (8th ed.) Citation

Walker, Kenneth. Human Psysiology. Penguin Books, 1951.

Warning: These citations may not always be 100% accurate.