APA (7th ed.) Citation

Polo, M., Komroff, M., & Gordon, W. (1930). The travels of Marco Polo, (the Venetian). Garden City Publishing Co.

Chicago Style (17th ed.) Citation

Polo, Marco, Manuel Komroff, and Witold Gordon. The Travels of Marco Polo, (the Venetian). New York: Garden City Publishing Co, 1930.

MLA (9th ed.) Citation

Polo, Marco, et al. The Travels of Marco Polo, (the Venetian). Garden City Publishing Co, 1930.