APA (7th ed.) Citation

United States National Museum & Cope, E. D. (1889). Batrachia of North America. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States National Museum and E. D. Cope. Batrachia of North America. [Place of publication not identified]: U.S. Government Printing Office, 1889.

MLA (9th ed.) Citation

United States National Museum and E. D. Cope. Batrachia of North America. U.S. Government Printing Office, 1889.

Warning: These citations may not always be 100% accurate.