APA

Pfleider E. P., . (1972). Surface mining. New York: AIME.

Chicago

Pfleider Eugene P, . 1972. Surface mining. New York: AIME.

Harvard

Pfleider E. P., . (1972). Surface mining. New York: AIME.

MLA

Pfleider Eugene P, . Surface mining. New York: AIME. 1972.