APA (7th ed.) Citation

Brownell, C. L. (1949). The human body, how it is built and how it works. American Book Co.

Chicago Style (17th ed.) Citation

Brownell, Clifford Lee. The Human Body, How It Is Built and How It Works. New York: American Book Co, 1949.

MLA (9th ed.) Citation

Brownell, Clifford Lee. The Human Body, How It Is Built and How It Works. American Book Co, 1949.