APA (7th ed.) Citation

Krull, K., & Kulikov, B. (2006). Isaac Newton. Viking.

Chicago Style (17th ed.) Citation

Krull, Kathleen, and Boris Kulikov. Isaac Newton. New York: Viking, 2006.

MLA (8th ed.) Citation

Krull, Kathleen, and Boris Kulikov. Isaac Newton. Viking, 2006.

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