APA (7th ed.) Citation

Harcourt, P. d. (1967). The real enemy. Longmans.

Chicago Style (17th ed.) Citation

Harcourt, Pierre de. The Real Enemy. London: Longmans, 1967.

MLA (8th ed.) Citation

Harcourt, Pierre de. The Real Enemy. Longmans, 1967.

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