APA (7th ed.) Citation

Walters, W. P. (2008). A brief history of shaped charges. Army Research Laboratory.

Chicago Style (17th ed.) Citation

Walters, W. P. A Brief History of Shaped Charges. Aberdeen Proving Ground, MD: Army Research Laboratory, 2008.

MLA (9th ed.) Citation

Walters, W. P. A Brief History of Shaped Charges. Army Research Laboratory, 2008.