Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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