APA (7th ed.) Citation

Wooldridge, S. W., & Morgan, R. S. (1959). An outline of geomorphology: The physical basis of geography (2d ed.). Longmans.

Chicago Style (17th ed.) Citation

Wooldridge, Sidney William, and Ralph Sisk Morgan. An Outline of Geomorphology: The Physical Basis of Geography. 2d ed. London: Longmans, 1959.

MLA (9th ed.) Citation

Wooldridge, Sidney William, and Ralph Sisk Morgan. An Outline of Geomorphology: The Physical Basis of Geography. 2d ed. Longmans, 1959.