Franklin

MLA

Schmidt, Robert E, Drury R Reavill, and David N Phalen. Pathology of Pet and Aviary Birds. 2nd ed. .

APA

Schmidt, R. E, Reavill, D. R, & Phalen, D. N. Pathology of Pet and Aviary Birds. 2nd ed. .

Chicago

Schmidt, Robert E., Drury R Reavill, and David N Phalen. Pathology of Pet and Aviary Birds. 2nd ed.