एपीए उद्धरण

Irwin, W. (1962). America in the World: A guide to U S foreign policy. Oxford University Press.

शिकागो स्टाइल उद्धरण

Irwin, Wallace. America in the World: A Guide to U S Foreign Policy. London: Oxford University Press, 1962.

एमएलए उद्धरण

Irwin, Wallace. America in the World: A Guide to U S Foreign Policy. Oxford University Press, 1962.