APA (7th ed.) Citation

George, J. L., & George, J. C. (1954). Bubo, the great horned owl. Dutton.

Chicago Style (17th ed.) Citation

George, John L., and Jean Craighead George. Bubo, the Great Horned Owl. [New York]: Dutton, 1954.

MLA (9th ed.) Citation

George, John L., and Jean Craighead George. Bubo, the Great Horned Owl. Dutton, 1954.