APA (7th ed.) Citation

Krosoczka, J. (2011). Ollie: The purple elephant. Alfred A. Knopf.

Chicago Style (17th ed.) Citation

Krosoczka, Jarrett. Ollie: The Purple Elephant. New York: Alfred A. Knopf, 2011.

MLA (8th ed.) Citation

Krosoczka, Jarrett. Ollie: The Purple Elephant. Alfred A. Knopf, 2011.

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