APA (7th ed.) Citation

Hanenkrat, F. T. (1977). Wildlife watcher's handbook. Winchester Press.

Chicago Style (17th ed.) Citation

Hanenkrat, Frank T. Wildlife Watcher's Handbook. New York: Winchester Press, 1977.

MLA (9th ed.) Citation

Hanenkrat, Frank T. Wildlife Watcher's Handbook. Winchester Press, 1977.