APA (7th ed.) Citation

Dunrea, O. (2008). Merry Christmas, Ollie! Houghton Mifflin.

Chicago Style (17th ed.) Citation

Dunrea, Olivier. Merry Christmas, Ollie! Boston: Houghton Mifflin, 2008.

MLA (8th ed.) Citation

Dunrea, Olivier. Merry Christmas, Ollie! Houghton Mifflin, 2008.