APA (7th ed.) Citation

Snicket, L., & Helquist, B. (2006). The beatrice letter. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Snicket, Lemony, and Brett Helquist. The Beatrice Letter. NY: HarperCollins Publishers, 2006.

MLA (9th ed.) Citation

Snicket, Lemony, and Brett Helquist. The Beatrice Letter. HarperCollins Publishers, 2006.

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