Gould, S. J. (1990). Wonderful life: The Burgess Shale and the nature of history. Norton.
Cita Chicago Style (17a ed.)Gould, Stephen Jay. Wonderful Life: The Burgess Shale and the Nature of History. New York: Norton, 1990.
Cita MLA (8a ed.)Gould, Stephen Jay. Wonderful Life: The Burgess Shale and the Nature of History. Norton, 1990.
Precaución: Estas citas no son 100% exactas.