APA (7th ed.) Citation

Cowell, C. (2019). Knock three times (First U.S. edition.). Little, Brown, and Company.

Chicago Style (17th ed.) Citation

Cowell, Cressida. Knock Three Times. First U.S. edition. New York: Little, Brown, and Company, 2019.

MLA (8th ed.) Citation

Cowell, Cressida. Knock Three Times. First U.S. edition. Little, Brown, and Company, 2019.

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