APA (7th ed.) Citation

Demuth, P., & O'Brien, J. (2015). Who was Galileo? Grosset & Dunlap Publishers.

Chicago Style (17th ed.) Citation

Demuth, Patricia, and John O'Brien. Who Was Galileo? New York: Grosset & Dunlap Publishers, 2015.

MLA (9th ed.) Citation

Demuth, Patricia, and John O'Brien. Who Was Galileo? Grosset & Dunlap Publishers, 2015.