APA (7th ed.) Citation

Peterson, R. T. (1980). A field guide to the birds: A completely new guide to all the birds of eastern and central North America (4th ed., completely rev. and enl.). Houghton Mifflin Co..

Chicago Style (17th ed.) Citation

Peterson, Roger Tory. A Field Guide to the Birds: A Completely New Guide to All the Birds of Eastern and Central North America. 4th ed., completely rev. and enl. Boston: Houghton Mifflin Co., 1980.

MLA (9th ed.) Citation

Peterson, Roger Tory. A Field Guide to the Birds: A Completely New Guide to All the Birds of Eastern and Central North America. 4th ed., completely rev. and enl. Houghton Mifflin Co., 1980.