Cita APA (7th ed.)

Mowry, G. E. (1958). The era of Theodore Roosevelt, 1900-1912. Harper & Row.

Cita Chicago (17th ed.)

Mowry, George Edwin. The Era of Theodore Roosevelt, 1900-1912. New York: Harper & Row, 1958.

Cita MLA (9th ed.)

Mowry, George Edwin. The Era of Theodore Roosevelt, 1900-1912. Harper & Row, 1958.