Cita APA (7a ed.)

Martin, A. E. (1928). History of the United States. Ginn.

Cita Chicago Style (17a ed.)

Martin, Asa Earl. History of the United States. Boston: Ginn, 1928.

Cita MLA (9a ed.)

Martin, Asa Earl. History of the United States. Ginn, 1928.