Cita APA (7a ed.)

Sawyer, K. E. (1972). Landscape studies: An introduction to geomorphology (1st published, repr. with corrections.). Edward Arnold.

Cita Chicago Style (17a ed.)

Sawyer, Kenneth Ernest. Landscape Studies: An Introduction to Geomorphology. 1st published, repr. with corrections. London: Edward Arnold, 1972.

Cita MLA (9a ed.)

Sawyer, Kenneth Ernest. Landscape Studies: An Introduction to Geomorphology. 1st published, repr. with corrections. Edward Arnold, 1972.