Cita APA (7a ed.)

Petts, G., & Foster, I. (1985). Rivers and landscape. Edward Arnold.

Cita Chicago Style (17a ed.)

Petts, Geoff, y Ian Foster. Rivers and Landscape. London: Edward Arnold, 1985.

Cita MLA (9a ed.)

Petts, Geoff, y Ian Foster. Rivers and Landscape. Edward Arnold, 1985.