APA (7th ed.) Citation

United States National Museum. (1899). Proceedings of U.S. National Museum, Vol. XXI. GPO.

Chicago Style (17th ed.) Citation

United States National Museum. Proceedings of U.S. National Museum, Vol. XXI. [Washington]: GPO, 1899.

MLA (9th ed.) Citation

United States National Museum. Proceedings of U.S. National Museum, Vol. XXI. GPO, 1899.

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