Gaya APA

Olschki,Leonardo, . (1960). Marco Polo's Asia: an introduction to his "descriotion of the world" called "il milione" . USA: University of California Press.

Gaya MLA

Olschki,Leonardo, . "Marco Polo's Asia: an introduction to his "descriotion of the world" called "il milione"". USA: University of California Press, 1960. Text.