APA (7th ed.) Citation

Blackham, H. J. (2002). Six existentialist thinkers. Routledge.

Chicago Style (17th ed.) Citation

Blackham, H. J. Six Existentialist Thinkers. London ; New York: Routledge, 2002.

MLA (8th ed.) Citation

Blackham, H. J. Six Existentialist Thinkers. Routledge, 2002.

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