APA (7th ed.) Citation

Hammesfahr, P. (2017). The sinner. Penguin Books.

Chicago Style (17th ed.) Citation

Hammesfahr, Petra. The Sinner. New York: Penguin Books, 2017.

MLA (9th ed.) Citation

Hammesfahr, Petra. The Sinner. Penguin Books, 2017.

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