APA aipamena

Hallett, G. H., & Hoag, C. G. (1940). Proportional representation, the key to democracy (2d and rev. ed., 1940.). National municipal league.

Chicago Style aipamena

Hallett, George Hervey, and Clarence Gilbert Hoag. Proportional Representation, the Key to Democracy. 2d and rev. ed., 1940. New York city: National municipal league, 1940.

MLA aipamena

Hallett, George Hervey, and Clarence Gilbert Hoag. Proportional Representation, the Key to Democracy. 2d and rev. ed., 1940. National municipal league, 1940.