APA (7th ed.) Citation

Grey, C. (2006). Leonardo's shadow. Autheneum Books.

Chicago Style (17th ed.) Citation

Grey, Christopher. Leonardo's Shadow. New York: Autheneum Books, 2006.

MLA (9th ed.) Citation

Grey, Christopher. Leonardo's Shadow. Autheneum Books, 2006.

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