APA (7th ed.) Citation

Campbell, J. A. (1998). Amphibians and reptiles of Northern Guatemala, the Yucatán, and Belize. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Campbell, Jonathan A. Amphibians and Reptiles of Northern Guatemala, the Yucatán, and Belize. Norman: University of Oklahoma Press, 1998.

MLA (8th ed.) Citation

Campbell, Jonathan A. Amphibians and Reptiles of Northern Guatemala, the Yucatán, and Belize. University of Oklahoma Press, 1998.