APA (7e ed.) Bronvermelding

Thwing, E. (1919). The life and meaning of Theodore Roosevelt. Current Literature Publishing Company.

Chicago (17e ed.) Bronvermelding

Thwing, Eugene. The Life and Meaning of Theodore Roosevelt. New York: Current Literature Publishing Company, 1919.

MLA (8e ed.) Bronvermelding

Thwing, Eugene. The Life and Meaning of Theodore Roosevelt. Current Literature Publishing Company, 1919.