APA (7th ed.) Citation

Dunrea, O. (2010). Ollie's Halloween. Houghton Mifflin Books for Children.

Chicago Style (17th ed.) Citation

Dunrea, Olivier. Ollie's Halloween. Boston: Houghton Mifflin Books for Children, 2010.

MLA (9th ed.) Citation

Dunrea, Olivier. Ollie's Halloween. Houghton Mifflin Books for Children, 2010.

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