APA (7th ed.) Citation

Tobias, T., & Hyman, T. S. (1979). The quitting deal. Puffin Books.

Chicago Style (17th ed.) Citation

Tobias, Tobi, and Trina Schart Hyman. The Quitting Deal. [New York]: Puffin Books, 1979.

MLA (9th ed.) Citation

Tobias, Tobi, and Trina Schart Hyman. The Quitting Deal. Puffin Books, 1979.

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