APA

Kerr P. F., . (1946). Tungsten Mineralization in the United States. New York: Columbia University.

Chicago

Kerr P F, . 1946. Tungsten Mineralization in the United States. New York: Columbia University.

Harvard

Kerr P. F., . (1946). Tungsten Mineralization in the United States. New York: Columbia University.

MLA

Kerr P F, . Tungsten Mineralization in the United States. New York: Columbia University. 1946.