एपीए उद्धरण

Berle, A. A. (1957). Tides of crisis: A primer of foreign relations. New York: Reynal and Company.

शिकागो स्टाइल उद्धरण

Berle, Adolf A. Tides of Crisis: A Primer of Foreign Relations. New York: Reynal and Company, 1957.

एमएलए उद्धरण

Berle, Adolf A. Tides of Crisis: A Primer of Foreign Relations. New York: Reynal and Company, 1957.