APA

McNaughton A., Frasca S., Mishra N. & Tuttle A. D. (20150309). Valvular dysplasia and congestive heart failure in a juvenile African penguin (Spheniscus demersus). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

Chicago

McNaughton Allyson, Frasca Salvatore, Mishra Neha and Tuttle Allison D. 20150309. Valvular dysplasia and congestive heart failure in a juvenile African penguin (Spheniscus demersus). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

Harvard

McNaughton A., Frasca S., Mishra N. and Tuttle A. D. (20150309). Valvular dysplasia and congestive heart failure in a juvenile African penguin (Spheniscus demersus). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians.

MLA

McNaughton Allyson, Frasca Salvatore, Mishra Neha and Tuttle Allison D. Valvular dysplasia and congestive heart failure in a juvenile African penguin (Spheniscus demersus). : Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians. 20150309.