APA (7th ed.) Citation

Rockwell, A. F., & Rockwell, L. (2002). 100 days of school. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Rockwell, Anne F., and Lizzy Rockwell. 100 Days of School. New York: HarperCollins Publishers, 2002.

MLA (8th ed.) Citation

Rockwell, Anne F., and Lizzy Rockwell. 100 Days of School. HarperCollins Publishers, 2002.

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