APA Citation

Frank, W., & Friese, U. E. (1990). Boas and other non-venomous snakes. Estados Unidos: T. F. H..

Chicago Style Citation

Frank, Werner, and U. Erich Friese. Boas and Other Non-venomous Snakes. Estados Unidos: T. F. H., 1990.

MLA Citation

Frank, Werner, and U. Erich Friese. Boas and Other Non-venomous Snakes. Estados Unidos: T. F. H., 1990.

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