APA (7th ed.) Citation
Gwynne, S. C. (1987). Selling money. Penguin Books.
Chicago Style (17th ed.) Citation
Gwynne, S. C. Selling Money. New York: Penguin Books, 1987.
MLA (9th ed.) Citation
Gwynne, S. C. Selling Money. Penguin Books, 1987.
Warning: These citations may not always be 100% accurate.