APA-referens (7:e uppl.)

Arnold, J. I. (1937). Cooperative citizenship. Row, Peterson and Co..

Chicago-referens (17:e uppl.)

Arnold, Joseph Irvin. Cooperative Citizenship. Evanston, Ill.: Row, Peterson and Co., 1937.

MLA-referens (8:e uppl.)

Arnold, Joseph Irvin. Cooperative Citizenship. Row, Peterson and Co., 1937.