APA (7th ed.) Citation

Sheldon, W. H., Stevens, S. S., & Tucker, W. B. (1940). The varieties of human physique: An introduction to constitutional psychology. Harper & brothers.

Chicago Style (17th ed.) Citation

Sheldon, William Herbert, Stanley Smith Stevens, and William Boose Tucker. The Varieties of Human Physique: An Introduction to Constitutional Psychology. New York and London: Harper & brothers, 1940.

MLA (9th ed.) Citation

Sheldon, William Herbert, et al. The Varieties of Human Physique: An Introduction to Constitutional Psychology. Harper & brothers, 1940.