APA (7th ed.) Citation

Gentry, A. H., Dillon, M. O., & Jones, S. B. (1980). Conspectus and index to families. Field Museum of Natural History.

Chicago Style (17th ed.) Citation

Gentry, Alwyn H., Michael O. Dillon, and Samuel B. Jones. Conspectus and Index to Families. [Chicago]: Field Museum of Natural History, 1980.

MLA (9th ed.) Citation

Gentry, Alwyn H., et al. Conspectus and Index to Families. Field Museum of Natural History, 1980.