Gould, J., & Rutgers, A. (1970). Birds of New Guinea. Methuen.
Chicago Style (17th ed.) CitationGould, John, and Abram Rutgers. Birds of New Guinea. London: Methuen, 1970.
MLA (9th ed.) CitationGould, John, and Abram Rutgers. Birds of New Guinea. Methuen, 1970.
Warning: These citations may not always be 100% accurate.