Foundations of the theory of signs

MLA

Morris, Charles W. and Gotham Book Mart Collection (University of Pennsylvania). Foundations of the theory of signs. Chicago, Ill. : University of Chicago Press, 1970.

APA

Morris, C. & Gotham Book Mart Collection (University of Pennsylvania). (1970). Foundations of the theory of signs. Chicago, Ill. : University of Chicago Press.

Chicago

Morris, Charles W. and Gotham Book Mart Collection (University of Pennsylvania). Foundations of the theory of signs. Chicago, Ill. : University of Chicago Press, 1970.