APA (7th ed.) Citation

Jaspersohn, W., & Eckart, C. (1980). How the forest grew. Greenwillow Books.

Chicago Style (17th ed.) Citation

Jaspersohn, William., and Chuck Eckart. How the Forest Grew. New York: Greenwillow Books, 1980.

MLA (8th ed.) Citation

Jaspersohn, William., and Chuck Eckart. How the Forest Grew. Greenwillow Books, 1980.