एपीए उद्धरण

Holdren, J. P. (1971). Global ecology readings toward a rational strategy for man. New York: Harcourt Brace Jovanovich, Inc.

शिकागो स्टाइल उद्धरण

Holdren, John P. Global Ecology Readings Toward a Rational Strategy for Man. New York: Harcourt Brace Jovanovich, Inc, 1971.

एमएलए उद्धरण

Holdren, John P. Global Ecology Readings Toward a Rational Strategy for Man. New York: Harcourt Brace Jovanovich, Inc, 1971.