एपीए उद्धरण

Hughes, N. F. (1989). Fossils as information. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Hughes, Norman F. Fossils as Information. New York: Cambridge University Press, 1989.

एमएलए उद्धरण

Hughes, Norman F. Fossils as Information. Cambridge University Press, 1989.