APA (7th ed.) Citation

Spring Systematics Symposium Field Museum of Natural History, Field Museum of Natural History, National Science Foundation (U.S.), & Nitecki, M. H. (1981). Biotic crises in ecological and evolutionary time. Academic Press.

Chicago Style (17th ed.) Citation

Spring Systematics Symposium Field Museum of Natural History, Field Museum of Natural History, National Science Foundation (U.S.), and Matthew H. Nitecki. Biotic Crises in Ecological and Evolutionary Time. New York: Academic Press, 1981.

MLA (9th ed.) Citation

Spring Systematics Symposium Field Museum of Natural History, et al. Biotic Crises in Ecological and Evolutionary Time. Academic Press, 1981.