APA

Bitler J. R., . (1975). Construction-mineral aggregate availability in the Baltimore, Md., metropolitan area. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

Chicago

Bitler John R, . 1975. Construction-mineral aggregate availability in the Baltimore, Md., metropolitan area. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

Harvard

Bitler J. R., . (1975). Construction-mineral aggregate availability in the Baltimore, Md., metropolitan area. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior.

MLA

Bitler John R, . Construction-mineral aggregate availability in the Baltimore, Md., metropolitan area. [Washington, DC]: Bureau of Mines, U.S. Dep. of the Interior. 1975.