APA (7th ed.) Citation

Byrne, D. (1921). Messer Marco Polo. The Century Co..

Chicago Style (17th ed.) Citation

Byrne, Donn. Messer Marco Polo. New York: The Century Co., 1921.

MLA (9th ed.) Citation

Byrne, Donn. Messer Marco Polo. The Century Co., 1921.