APA (7th ed.) Citation

Schumacher, E. (1977). A guide for the perplexed. Jonathan Cape.

Chicago Style (17th ed.) Citation

Schumacher, E. A Guide for the Perplexed. London: Jonathan Cape, 1977.

MLA (9th ed.) Citation

Schumacher, E. A Guide for the Perplexed. Jonathan Cape, 1977.