APA (7th ed.) Citation

Sheperd, M. 1. (1941). Glass stopcocks. U. S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Sheperd, Martin 1894. Glass Stopcocks. Washington: U. S. Govt. Print. Off, 1941.

MLA (9th ed.) Citation

Sheperd, Martin 1894. Glass Stopcocks. U. S. Govt. Print. Off, 1941.

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