Austin, O. L. (1961). Birds of the world: A survey of the twenty-seven orders and one hundred and fifty-five families. Golden Press.
Chicago Style (17th ed.) CitationAustin, Oliver Luther. Birds of the World: A Survey of the Twenty-seven Orders and One Hundred and Fifty-five Families. Italy: Golden Press, 1961.
MLA (8th ed.) CitationAustin, Oliver Luther. Birds of the World: A Survey of the Twenty-seven Orders and One Hundred and Fifty-five Families. Golden Press, 1961.
Warning: These citations may not always be 100% accurate.