Cita APA (7th ed.)
Goebel, J. (1915). The Recognition Policy of the United States.
Cita Chicago (17th ed.)
Goebel, Julius. The Recognition Policy of the United States. New York, 1915.
Cita MLA (9th ed.)
Goebel, Julius. The Recognition Policy of the United States. 1915.
Atenció: Aquestes cites poden no estar 100% correctes.