APA (7th ed.) Citation

Schumacher, E. F. (1978). A guide for the perplexed (1st Harper Colophon ed.). Harper & Row.

Chicago Style (17th ed.) Citation

Schumacher, E. F. A Guide for the Perplexed. 1st Harper Colophon ed. New York: Harper & Row, 1978.

MLA (9th ed.) Citation

Schumacher, E. F. A Guide for the Perplexed. 1st Harper Colophon ed. Harper & Row, 1978.