APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (8:e uppl.)

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