APA-referens (7:e uppl.)

Catholic Association for International Peace (U.S.) Committee on Ethics & Ryan, J. A. (1942). International ethics: A report of the Ethics Committee (4th ed., rev., 1942.). Catholic Association for International Peace.

Chicago-referens (17:e uppl.)

Catholic Association for International Peace (U.S.) Committee on Ethics och John A. Ryan. International Ethics: A Report of the Ethics Committee. 4th ed., rev., 1942. Washington, D. C.: Catholic Association for International Peace, 1942.

MLA-referens (8:e uppl.)

Catholic Association for International Peace (U.S.) Committee on Ethics och John A. Ryan. International Ethics: A Report of the Ethics Committee. 4th ed., rev., 1942. Catholic Association for International Peace, 1942.