Peterson, R. T. (1934). A field guide to the birds: Giving field marks of all species found in eastern North America; text and illustrations in color and in black and white. Houghton Mifflin company.
Chicago Style (17th ed.) CitationPeterson, Roger Tory. A Field Guide to the Birds: Giving Field Marks of All Species Found in Eastern North America; Text and Illustrations in Color and in Black and White. Boston, New York: Houghton Mifflin company, 1934.
MLA (9th ed.) CitationPeterson, Roger Tory. A Field Guide to the Birds: Giving Field Marks of All Species Found in Eastern North America; Text and Illustrations in Color and in Black and White. Houghton Mifflin company, 1934.
Warning: These citations may not always be 100% accurate.