APA (7th ed.) Citation

Holub. (2007). Who was Marco Polo? Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Holub. Who Was Marco Polo? New York: Grosset & Dunlap, 2007.

MLA (8th ed.) Citation

Holub. Who Was Marco Polo? Grosset & Dunlap, 2007.

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