Citazione Stile APA (7a Edizione)

Clymer, E. F. (1920). Political summary of the United States, 1789-1920. E. P. Dutton & company.

Citazione stile Chigago Style (17a edizione)

Clymer, Ernest Fletcher. Political Summary of the United States, 1789-1920. New York: E. P. Dutton & company, 1920.

Citatione MLA (9a ed.)

Clymer, Ernest Fletcher. Political Summary of the United States, 1789-1920. E. P. Dutton & company, 1920.