APA (7th ed.) Citation

Singer, I. B. (1993). THE CERTIFICATE. Penguin Books Ltd.

Chicago Style (17th ed.) Citation

Singer, Isaac Bashevis. THE CERTIFICATE. New York: Penguin Books Ltd, 1993.

MLA (9th ed.) Citation

Singer, Isaac Bashevis. THE CERTIFICATE. Penguin Books Ltd, 1993.

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