APA (7th ed.) Citation

Field Museum of Natural History, Spring Systematics Symposium, & Nitecki, M. H. (1984). Extinctions. University of Chicago Press.

Chicago Style (17th ed.) Citation

Field Museum of Natural History, Spring Systematics Symposium, and Matthew H. Nitecki. Extinctions. Chicago: University of Chicago Press, 1984.

MLA (9th ed.) Citation

Field Museum of Natural History, et al. Extinctions. University of Chicago Press, 1984.