توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Olschki, L. (1960). Marco Polo's Asia: An introduction to his "description of the world" called "il milione.". University of California Press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Olschki, Leonardo. Marco Polo's Asia: An Introduction to His "Description of the World" Called "Il Milione.". Berkeley: University of California Press, 1960.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Olschki, Leonardo. Marco Polo's Asia: An Introduction to His "Description of the World" Called "Il Milione.". University of California Press, 1960.