Cita APA

Kirchner, W. (1968). Middle ages [375-1492]. Barnes & Noble Books.

Citación estilo Chicago

Kirchner, Walther. Middle Ages [375-1492]. New York: Barnes & Noble Books, 1968.

Cita MLA

Kirchner, Walther. Middle Ages [375-1492]. Barnes & Noble Books, 1968.

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