APA (7th ed.) Citation

Heintzelman, D. S. (1979). A manual for bird watching in the Americas. Universe Books.

Chicago Style (17th ed.) Citation

Heintzelman, Donald S. A Manual for Bird Watching in the Americas. New York: Universe Books, 1979.

MLA (9th ed.) Citation

Heintzelman, Donald S. A Manual for Bird Watching in the Americas. Universe Books, 1979.