APA (7th ed.) Citation

Fields, R. W. (1957). Hystricomorph rodents from the late Miocene of Colombia, South America. University of California.

Chicago Style (17th ed.) Citation

Fields, Robert William. Hystricomorph Rodents from the Late Miocene of Colombia, South America. Berkeley: University of California, 1957.

MLA (9th ed.) Citation

Fields, Robert William. Hystricomorph Rodents from the Late Miocene of Colombia, South America. University of California, 1957.