APA (7th ed.) Citation

Hemingway, E. (1966). Green hills of Africa. Penguin Books, in association with Jonathan Cape.

Chicago Style (17th ed.) Citation

Hemingway, Ernest. Green Hills of Africa. Harmondsworth: Penguin Books, in association with Jonathan Cape, 1966.

MLA (9th ed.) Citation

Hemingway, Ernest. Green Hills of Africa. Penguin Books, in association with Jonathan Cape, 1966.

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