Style de citation APA (7e éd.)

Sowers, J. I. (1925). The boy and his vocation. The Manual arts press.

Style de citation Chicago (17e éd.)

Sowers, John Irving. The Boy and His Vocation. Peoria, Ill.: The Manual arts press, 1925.

Style de citation MLA (8e éd.)

Sowers, John Irving. The Boy and His Vocation. The Manual arts press, 1925.