APA (7th ed.) Citation

United States National Museum. (1945). Mexican phanerogams; Asteraceae decsribed from Mexico and the southwestern U.S. [s.n.].

Chicago Style (17th ed.) Citation

United States National Museum. Mexican Phanerogams; Asteraceae Decsribed from Mexico and the Southwestern U.S. [Washington]: [s.n.], 1945.

MLA (9th ed.) Citation

United States National Museum. Mexican Phanerogams; Asteraceae Decsribed from Mexico and the Southwestern U.S. [s.n.], 1945.