एपीए उद्धरण

Demko, G. J. (1992). Why in the world: Adventures in geography. New York: Anchor Books.

शिकागो स्टाइल उद्धरण

Demko, George J. Why in the World: Adventures in Geography. New York: Anchor Books, 1992.

एमएलए उद्धरण

Demko, George J. Why in the World: Adventures in Geography. New York: Anchor Books, 1992.