APA (7th ed.) Citation

Sheldon, W., Stevens, S. S., & Tucker, W. B. (1970). The varieties of human physique: An introduction to constitutional psychology. Hafner.

Chicago Style (17th ed.) Citation

Sheldon, William, S. S. Stevens, and W. B. Tucker. The Varieties of Human Physique: An Introduction to Constitutional Psychology. Darien, Conn.: Hafner, 1970.

MLA (9th ed.) Citation

Sheldon, William, et al. The Varieties of Human Physique: An Introduction to Constitutional Psychology. Hafner, 1970.