एपीए उद्धरण

Bernhard, H. J. (1956). Wonders of the world. New York: Simon and Schuster.

शिकागो स्टाइल उद्धरण

Bernhard, Hubert J. Wonders of the World. New York: Simon and Schuster, 1956.

एमएलए उद्धरण

Bernhard, Hubert J. Wonders of the World. New York: Simon and Schuster, 1956.