एपीए उद्धरण

National Geographic Society. (2000). Plants. New York: McGraw-Hill School Division.

शिकागो स्टाइल उद्धरण

National Geographic Society. Plants. New York: McGraw-Hill School Division, 2000.

एमएलए उद्धरण

National Geographic Society. Plants. New York: McGraw-Hill School Division, 2000.