APA (7th ed.) Citation

Comfort, A. (1989). The philosophers (1. publ.). Duckworth.

Chicago Style (17th ed.) Citation

Comfort, Alex. The Philosophers. 1. publ. London: Duckworth, 1989.

MLA (9th ed.) Citation

Comfort, Alex. The Philosophers. 1. publ. Duckworth, 1989.

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