APA (7th ed.) Citation

Pfeffer, W., & Bleck, L. (2010). The longest day: Celebrating the summer solstice. Dutton Children's Books.

Chicago Style (17th ed.) Citation

Pfeffer, Wendy, and Linda Bleck. The Longest Day: Celebrating the Summer Solstice. New York: Dutton Children's Books, 2010.

MLA (8th ed.) Citation

Pfeffer, Wendy, and Linda Bleck. The Longest Day: Celebrating the Summer Solstice. Dutton Children's Books, 2010.

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