APA-referens (7:e uppl.)

O'Neill, W. L. (1967). Divorce in the progressive era. Yale University Press.

Chicago-referens (17:e uppl.)

O'Neill, William L. Divorce in the Progressive Era. New Haven: Yale University Press, 1967.

MLA-referens (9:e uppl.)

O'Neill, William L. Divorce in the Progressive Era. Yale University Press, 1967.