Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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