APA (7th ed.) Citation

O'Dell, S. (1961). Island of the blue dolphins. Longman Young Books.

Chicago Style (17th ed.) Citation

O'Dell, Scott. Island of the Blue Dolphins. London: Longman Young Books, 1961.

MLA (9th ed.) Citation

O'Dell, Scott. Island of the Blue Dolphins. Longman Young Books, 1961.

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