Παραπομπή σε μορφή APA (7η εκδ.)

Smith, W. J. (1955). The pope talks about labor relations. Catechetical Guild Educational Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Smith, William J. The Pope Talks About Labor Relations. St. Paul: Catechetical Guild Educational Society, 1955.

Παραπομπή σε μορφή MLA (8th εκδ.)

Smith, William J. The Pope Talks About Labor Relations. Catechetical Guild Educational Society, 1955.