APA

Hartman H. L., . (1987). Introductory mining engineering. New York: Wiley.

Chicago

Hartman Howard L, . 1987. Introductory mining engineering. New York: Wiley.

Harvard

Hartman H. L., . (1987). Introductory mining engineering. New York: Wiley.

MLA

Hartman Howard L, . Introductory mining engineering. New York: Wiley. 1987.