APA (7th ed.) Citation

Hannigan, K. (2016). Dirt + water = mud (First edition.). Greenwillow Books.

Chicago Style (17th ed.) Citation

Hannigan, Katherine. Dirt + Water = Mud. First edition. New York, NY: Greenwillow Books, 2016.

MLA (9th ed.) Citation

Hannigan, Katherine. Dirt + Water = Mud. First edition. Greenwillow Books, 2016.

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