APA Edition Citation

Schumacher, E. (1977). A Guide for the perplexed. Sphere books.

Chicago Edition Citation

Schumacher, E.F. A Guide for the Perplexed. London: Sphere books, 1977.

MLA Edition Citation

Schumacher, E.F. A Guide for the Perplexed. Sphere books, 1977.

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