IUCN/SSC Tortoise and Freshwater Turtle Specialist Group, World Congress of Herpetology, Swingland, I. R., Klemens, M. W., Beaman, K. R., Burke, R. L., & Harpel-Burke, P. K. (1989). The Conservation biology of tortoises. IUCN.
Chicago Style (17th ed.) CitationIUCN/SSC Tortoise and Freshwater Turtle Specialist Group, World Congress of Herpetology, Ian R. Swingland, Michael W. Klemens, Kent R. Beaman, Russell L. Burke, and Pamela K. Harpel-Burke. The Conservation Biology of Tortoises. Gland, Switzerland: IUCN, 1989.
MLA (9th ed.) CitationIUCN/SSC Tortoise and Freshwater Turtle Specialist Group, et al. The Conservation Biology of Tortoises. IUCN, 1989.
Warning: These citations may not always be 100% accurate.