APA (7th ed.) Citation

Osborne, M. P. (2012). Dolphins and sharks: A nonfiction companion to magic tree house #9: dolphins at daybreak.

Chicago Style (17th ed.) Citation

Osborne, Mary Pope. Dolphins and Sharks: A Nonfiction Companion to Magic Tree House #9: Dolphins at Daybreak. 2012.

MLA (8th ed.) Citation

Osborne, Mary Pope. Dolphins and Sharks: A Nonfiction Companion to Magic Tree House #9: Dolphins at Daybreak. 2012.

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