Cita APA

Hamblin, W. K. 1., & Howard, J. D. (1992). Exercises in physical geology. New York: Macmillan Pub. Co..

Chicago Style Citation

Hamblin, W. Kenneth 1928-, i James D. Howard. Exercises in Physical Geology. New York: Macmillan Pub. Co., 1992.

Cita MLA

Hamblin, W. Kenneth 1928-, i James D. Howard. Exercises in Physical Geology. New York: Macmillan Pub. Co., 1992.