Style de citation APA (7e éd.)

Ryan, J. A. (1934). The Catholic teaching on our industrial system (2d ed.). National Council of Catholic Men.

Style de citation Chicago (17e éd.)

Ryan, John A. The Catholic Teaching on Our Industrial System. 2d ed. Washington: National Council of Catholic Men, 1934.

Style de citation MLA (8e éd.)

Ryan, John A. The Catholic Teaching on Our Industrial System. 2d ed. National Council of Catholic Men, 1934.