APA (7th ed.) Citation

(1916). Notes on 5 North American buffalo gnats of genus Simulium. [publisher not identified].

Chicago Style (17th ed.) Citation

Notes on 5 North American Buffalo Gnats of Genus Simulium. [Washington]: [publisher not identified], 1916.

MLA (9th ed.) Citation

Notes on 5 North American Buffalo Gnats of Genus Simulium. [publisher not identified], 1916.