APA

Meyer de Schauensee R., Poole E. L., Quinn J. R., Sutton G. M. & Academy of Natural Sciences of Philadelphia. (1970). A guide to the birds of South America. Wynnewood, Pa: Published for the Academy of Natural Sciences of Philadelphia by Livingston Pub. Co.

Chicago

Meyer de Schauensee Rodolphe, Poole Earl L, Quinn John R, Sutton George Miksch and Academy of Natural Sciences of Philadelphia. 1970. A guide to the birds of South America. Wynnewood, Pa: Published for the Academy of Natural Sciences of Philadelphia by Livingston Pub. Co.

Harvard

Meyer de Schauensee R., Poole E. L., Quinn J. R., Sutton G. M. and Academy of Natural Sciences of Philadelphia. (1970). A guide to the birds of South America. Wynnewood, Pa: Published for the Academy of Natural Sciences of Philadelphia by Livingston Pub. Co.

MLA

Meyer de Schauensee Rodolphe, Poole Earl L, Quinn John R, Sutton George Miksch and Academy of Natural Sciences of Philadelphia. A guide to the birds of South America. Wynnewood, Pa: Published for the Academy of Natural Sciences of Philadelphia by Livingston Pub. Co. 1970.