APA (7th ed.) Citation

United States National Museum. (1925). Guide, Natural History Building. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States National Museum. Guide, Natural History Building. [Place of publication not identified]: U.S. Government Printing Office, 1925.

MLA (9th ed.) Citation

United States National Museum. Guide, Natural History Building. U.S. Government Printing Office, 1925.