APA Style

Now i know: dolphins and porpoises. (2006). New York: Scholastic.

Chicago Style

Now i know: dolphins and porpoises. . New York: Scholastic, 2006. Text.

MLA Style

Now i know: dolphins and porpoises. . New York: Scholastic, 2006. Text.

Turabian Style

Now i know: dolphins and porpoises. New York: Scholastic, 2006. Print.