APA Citation

Gregory, J. W. (1931). Raised beaches and variations of sea-level. [s.l.]: [s.n.].

Chicago Style Citation

Gregory, John Walter. Raised Beaches and Variations of Sea-level. [s.l.]: [s.n.], 1931.

MLA Citation

Gregory, John Walter. Raised Beaches and Variations of Sea-level. [s.l.]: [s.n.], 1931.

Warning: These citations may not always be 100% accurate.