APA (7th ed.) Citation

Humphreys, K. K., & Leonard, J. W. (1983). Basic mathematics and computer techniques for coal preparation and mining. Marcel Dekker.

Chicago Style (17th ed.) Citation

Humphreys, Kenneth King., and Joseph W. Leonard. Basic Mathematics and Computer Techniques for Coal Preparation and Mining. New York: Marcel Dekker, 1983.

MLA (9th ed.) Citation

Humphreys, Kenneth King., and Joseph W. Leonard. Basic Mathematics and Computer Techniques for Coal Preparation and Mining. Marcel Dekker, 1983.

Warning: These citations may not always be 100% accurate.