TF, P., SM, M., & MJ, B. (2001). Resistance of leopard tortoises and helmeted guineafowl to Cowdria ruminantium infection (heartwater). Veterinary parasitology, 98(4), 299. https://doi.org/10.1016/s0304-4017(01)00438-1
Chicago Style (17th ed.) CitationTF, Peter, Mahan SM, and Burridge MJ. "Resistance of Leopard Tortoises and Helmeted Guineafowl to Cowdria Ruminantium Infection (heartwater)." Veterinary Parasitology 98, no. 4 (2001): 299. https://doi.org/10.1016/s0304-4017(01)00438-1.
MLA (9th ed.) CitationTF, Peter, et al. "Resistance of Leopard Tortoises and Helmeted Guineafowl to Cowdria Ruminantium Infection (heartwater)." Veterinary Parasitology, vol. 98, no. 4, 2001, p. 299, https://doi.org/10.1016/s0304-4017(01)00438-1.
Warning: These citations may not always be 100% accurate.