APA (7th ed.) Citation

Cohen, L. (1973). Flowers for Hitler (1. publ. in Great Britain.). Cape.

Chicago Style (17th ed.) Citation

Cohen, Leonard. Flowers for Hitler. 1. publ. in Great Britain. London: Cape, 1973.

MLA (9th ed.) Citation

Cohen, Leonard. Flowers for Hitler. 1. publ. in Great Britain. Cape, 1973.