APA (7th ed.) Citation

Greene, G. Twenty-one stories (Penguin, GB. 1971.).

Chicago Style (17th ed.) Citation

Greene, Graham. Twenty-one Stories. Penguin, GB. 1971.

MLA (9th ed.) Citation

Greene, Graham. Twenty-one Stories. Penguin, GB. 1971.

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