APA (7th ed.) Citation

Mowry, G. E. (1958). The era of Theodore Roosevelt, 1900-1912. H.Hamilton.

Chicago Style (17th ed.) Citation

Mowry, George E. The Era of Theodore Roosevelt, 1900-1912. London: H.Hamilton, 1958.

MLA (8th ed.) Citation

Mowry, George E. The Era of Theodore Roosevelt, 1900-1912. H.Hamilton, 1958.