Geomorphology

MLA

Sparks, B. W. Geomorphology. 10thth impression London: Longman, 1970.

APA

Sparks, B. W. (1970). Geomorphology. 10thth impression London: Longman.

Chicago

Sparks, B. W., Geomorphology. 10thth impression London: Longman, 1970.