APA (7th ed.) Citation

Lehrhaupt, A., & Forsythe, M. (2013). Warning: Do not open this book! Simon & Schuster Books for Young Readers.

Chicago Style (17th ed.) Citation

Lehrhaupt, Adam, and Matthew Forsythe. Warning: Do Not Open This Book! New York: Simon & Schuster Books for Young Readers, 2013.

MLA (9th ed.) Citation

Lehrhaupt, Adam, and Matthew Forsythe. Warning: Do Not Open This Book! Simon & Schuster Books for Young Readers, 2013.