Παραπομπή σε μορφή APA (7η εκδ.)

Roosevelt, T., & O'Toole, P. (2012). In the words of Theodore Roosevelt: Quotations from the man in the arena. Cornell University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Roosevelt, Theodore, και Patricia O'Toole. In the Words of Theodore Roosevelt: Quotations from the Man in the Arena. Ithaca: Cornell University Press, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

Roosevelt, Theodore, και Patricia O'Toole. In the Words of Theodore Roosevelt: Quotations from the Man in the Arena. Cornell University Press, 2012.