The Columbia history of the world / / edited by John A. Garraty and Peter Gay ; foreword by president William J. McGill of Columbia University.

MLA

Garraty, John A, Peter Gay, and William J McGill. The Columbia History of the World. New York: Harper & Row, 1981.

APA

Garraty, J. A, Gay, P., & McGill, W. J. (1981). The Columbia history of the world. New York: Harper & Row.

Chicago

Garraty, John A., Peter Gay, and William J McGill. The Columbia History of the World. New York: Harper & Row, 1981.