APA (7th ed.) Citation

Ellis, W. (1972). The knife edge. Macmillan.

Chicago Style (17th ed.) Citation

Ellis, William. The Knife Edge. London: Macmillan, 1972.

MLA (8th ed.) Citation

Ellis, William. The Knife Edge. Macmillan, 1972.

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