APA (7e ed.) Bronvermelding

Sheldon, W. H., & Stevens, S. S. (1942). The varieties of temperament: A psychology of constitutional differences. Harper.

Chicago (17e ed.) Bronvermelding

Sheldon, William Herbert, en Stanley Smith Stevens. The Varieties of Temperament: A Psychology of Constitutional Differences. New York: Harper, 1942.

MLA (9e ed.) Bronvermelding

Sheldon, William Herbert, en Stanley Smith Stevens. The Varieties of Temperament: A Psychology of Constitutional Differences. Harper, 1942.