APA

Garraty J. A., Gay P. & Columbia University. (1972). The Columbia history of the world. New York: Harper & Row.

Chicago

Garraty John Arthur, Gay Peter and Columbia University. 1972. The Columbia history of the world. New York: Harper & Row.

Harvard

Garraty J. A., Gay P. and Columbia University. (1972). The Columbia history of the world. New York: Harper & Row.

MLA

Garraty John Arthur, Gay Peter and Columbia University. The Columbia history of the world. New York: Harper & Row. 1972.