APA (7th ed.) Citation

Reed, F. R. C. (1949). The geology of the British Empire (2d ed.). E. Arnold.

Chicago Style (17th ed.) Citation

Reed, F. R. C. The Geology of the British Empire. 2d ed. London: E. Arnold, 1949.

MLA (9th ed.) Citation

Reed, F. R. C. The Geology of the British Empire. 2d ed. E. Arnold, 1949.