APA (7th ed.) Citation

Deutsch, S. (2017). The friendship code. Penguin Workshop, an imprint of Penguin Random House.

Chicago Style (17th ed.) Citation

Deutsch, Stacia. The Friendship Code. New York, New York: Penguin Workshop, an imprint of Penguin Random House, 2017.

MLA (8th ed.) Citation

Deutsch, Stacia. The Friendship Code. Penguin Workshop, an imprint of Penguin Random House, 2017.

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