APA (7th ed.) Citation

Blackham, H. J. (1952). Six existentialist thinkers. Routledge & Kegan Paul Ltd.

Chicago Style (17th ed.) Citation

Blackham, H. J. Six Existentialist Thinkers. Routledge & Kegan Paul Ltd, 1952.

MLA (8th ed.) Citation

Blackham, H. J. Six Existentialist Thinkers. Routledge & Kegan Paul Ltd, 1952.

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