Style de citation APA (7e éd.)

Ryan, J. A. (1927). Declining liberty and other papers. Macmillan.

Style de citation Chicago (17e éd.)

Ryan, John A. Declining Liberty and Other Papers. New York: Macmillan, 1927.

Style de citation MLA (8e éd.)

Ryan, John A. Declining Liberty and Other Papers. Macmillan, 1927.