APA (7th ed.) Citation

Stapledon, G., & Waller, R. (1971). Human ecology / by Sir George Stapledon (2nd ed.). C. Knight.

Chicago Style (17th ed.) Citation

Stapledon, George, and Robert Waller. Human Ecology / by Sir George Stapledon. 2nd ed. London: C. Knight, 1971.

MLA (9th ed.) Citation

Stapledon, George, and Robert Waller. Human Ecology / by Sir George Stapledon. 2nd ed. C. Knight, 1971.

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