Citazione Stile APA (7a Edizione)

Roosevelt, N. 1. (1926). The Philippines: A treasure and a problem. J.H. Sears.

Citazione stile Chigago Style (17a edizione)

Roosevelt, Nicholas 1893. The Philippines: A Treasure and a Problem. New York: J.H. Sears, 1926.

Citatione MLA (9a ed.)

Roosevelt, Nicholas 1893. The Philippines: A Treasure and a Problem. J.H. Sears, 1926.