APA

Watson R. W., . (1973). Card-gap and projectile impact sensitivity measurements. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

Chicago

Watson Richard W, . 1973. Card-gap and projectile impact sensitivity measurements. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

Harvard

Watson R. W., . (1973). Card-gap and projectile impact sensitivity measurements. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

MLA

Watson Richard W, . Card-gap and projectile impact sensitivity measurements. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior. 1973.