APA (7th ed.) Citation

Massie, R. K. (1980). Peter the Great, his life and world. Knopf.

Chicago Style (17th ed.) Citation

Massie, Robert K. Peter the Great, His Life and World. New York: Knopf, 1980.

MLA (9th ed.) Citation

Massie, Robert K. Peter the Great, His Life and World. Knopf, 1980.