APA (7th ed.) Citation

Clark, D. (1985). Vicious circle. Perennial Library.

Chicago Style (17th ed.) Citation

Clark, Douglas. Vicious Circle. New York: Perennial Library, 1985.

MLA (9th ed.) Citation

Clark, Douglas. Vicious Circle. Perennial Library, 1985.

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