एपीए उद्धरण

Singer,Ronald. (1999). Encyclopedia of paleontology: M- Z. Fitzroy Dearborn Publishers.

शिकागो स्टाइल उद्धरण

Singer,Ronald. Encyclopedia of Paleontology: M- Z. Chicago: Fitzroy Dearborn Publishers, 1999.

एमएलए उद्धरण

Singer,Ronald. Encyclopedia of Paleontology: M- Z. Fitzroy Dearborn Publishers, 1999.