APA (7th ed.) Citation

Polo, M., Rustichello of Pisa, Yule, H., & Cordier, H. (2004). The Travels of Marco Polo - Volume 2. Project Gutenberg.

Chicago Style (17th ed.) Citation

Polo, Marco, Rustichello of Pisa, Henry Yule, and Henri Cordier. The Travels of Marco Polo - Volume 2. Project Gutenberg, 2004.

MLA (9th ed.) Citation

Polo, Marco, et al. The Travels of Marco Polo - Volume 2. Project Gutenberg, 2004.

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