एपीए उद्धरण

Sprout, H., & Margaret, S. (1971). Toward a politics of the planet earth. Nostrand.

शिकागो स्टाइल उद्धरण

Sprout, Harold, और Sprout Margaret. Toward a Politics of the Planet Earth. New York: Nostrand, 1971.

एमएलए उद्धरण

Sprout, Harold, और Sprout Margaret. Toward a Politics of the Planet Earth. Nostrand, 1971.