APA-referens (7:e uppl.)

Beard, C. A. 1. c., & Shultz, B. E. (1912). Documents on the state-wide initiative, referendum and recall. The Macmillan company.

Chicago-referens (17:e uppl.)

Beard, Charles Austin 1874- comp, och Birl Earl Shultz. Documents on the State-wide Initiative, Referendum and Recall. New York: The Macmillan company, 1912.

MLA-referens (9:e uppl.)

Beard, Charles Austin 1874- comp, och Birl Earl Shultz. Documents on the State-wide Initiative, Referendum and Recall. The Macmillan company, 1912.