Howell, C. H. (2016). Reptiles & amphibians. National Geographic.
Chicago Style (17th ed.) CitationHowell, Catherine Herbert. Reptiles & Amphibians. Washington, D.C.: National Geographic, 2016.
MLA (8th ed.) CitationHowell, Catherine Herbert. Reptiles & Amphibians. National Geographic, 2016.
Warning: These citations may not always be 100% accurate.