APA (7th ed.) Citation

United States National Museum. (1944). The Catfisheries of Venezuela, with Descriptions of Thirty-Eight New Forms. [s.n.].

Chicago Style (17th ed.) Citation

United States National Museum. The Catfisheries of Venezuela, with Descriptions of Thirty-Eight New Forms. [Washington]: [s.n.], 1944.

MLA (9th ed.) Citation

United States National Museum. The Catfisheries of Venezuela, with Descriptions of Thirty-Eight New Forms. [s.n.], 1944.