Citazione Stile APA (7a Edizione)

Sheldon, W. H., Hartl, E. M., & McDermott, E. (1949). Varieties of delinquent youth; an introduction to constitutional psychiatry. Harper.

Citazione stile Chigago Style (17a edizione)

Sheldon, William Herbert, Emil M. Hartl, e Eugene McDermott. Varieties of Delinquent Youth; an Introduction to Constitutional Psychiatry. New York: Harper, 1949.

Citatione MLA (9a ed.)

Sheldon, William Herbert, et al. Varieties of Delinquent Youth; an Introduction to Constitutional Psychiatry. Harper, 1949.