APA (7th ed.) Citation

Arnold, T. (1988). Ollie forgot. Dial Books for Young Readers a div. of NAL Penguin.

Chicago Style (17th ed.) Citation

Arnold, Tedd. Ollie Forgot. New York: Dial Books for Young Readers a div. of NAL Penguin, 1988.

MLA (9th ed.) Citation

Arnold, Tedd. Ollie Forgot. Dial Books for Young Readers a div. of NAL Penguin, 1988.

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