Cita APA (7a ed.)

Sawyer, K. (1981). Landscape studies: An introduction to geomorphology. Edward Arnold.

Cita Chicago Style (17a ed.)

Sawyer, K.E. Landscape Studies: An Introduction to Geomorphology. London: Edward Arnold, 1981.

Cita MLA (9a ed.)

Sawyer, K.E. Landscape Studies: An Introduction to Geomorphology. Edward Arnold, 1981.