APA (7th ed.) Citation

Vogel, H. U. (2013). Marco Polo Was in China: New Evidence From Currencies, Salts and Revenues.

Chicago Style (17th ed.) Citation

Vogel, Hans Ulrich. Marco Polo Was in China: New Evidence From Currencies, Salts and Revenues. 2013.

MLA (9th ed.) Citation

Vogel, Hans Ulrich. Marco Polo Was in China: New Evidence From Currencies, Salts and Revenues. 2013.

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