Cita APA (7th ed.)
Perry, R. B. (1946). One World in the making. Current Books, Wyn.
Cita Chicago (17th ed.)
Perry, Ralph Barton. One World in the Making. New York: Current Books, Wyn, 1946.
Cita MLA (9th ed.)
Perry, Ralph Barton. One World in the Making. Current Books, Wyn, 1946.
Atenció: Aquestes cites poden no estar 100% correctes.