APA (7th ed.) Citation

Summerfield, M. A. (1991). Global geomorphology: An introduction to the study of landforms. Longman Scientific & Technical ; Wiley.

Chicago Style (17th ed.) Citation

Summerfield, M. A. Global Geomorphology: An Introduction to the Study of Landforms. [Harlow, Essex, England) : New York: Longman Scientific & Technical ; Wiley, 1991.

MLA (9th ed.) Citation

Summerfield, M. A. Global Geomorphology: An Introduction to the Study of Landforms. Longman Scientific & Technical ; Wiley, 1991.