APA Style

LEFF, Gordon. (1968). Paris and Oxford universities in the thirteenth and fourteenth.. . New York: John Wiley & Sons.

Chicago Style

LEFF, Gordon. Paris and Oxford universities in the thirteenth and fourteenth... New York: John Wiley & Sons, 1968. Text.

MLA Style

LEFF, Gordon. Paris and Oxford universities in the thirteenth and fourteenth... New York: John Wiley & Sons, 1968. Text.

Turabian Style

LEFF, Gordon. Paris and Oxford universities in the thirteenth and fourteenth... New York: John Wiley & Sons, 1968. Print.