एपीए उद्धरण

Gould, S. J. (1990). Wonderful life: The Burgess Shale and the nature of history. Hutchinson.

शिकागो स्टाइल उद्धरण

Gould, Stephen Jay. Wonderful Life: The Burgess Shale and the Nature of History. London: Hutchinson, 1990.

एमएलए उद्धरण

Gould, Stephen Jay. Wonderful Life: The Burgess Shale and the Nature of History. Hutchinson, 1990.