APA

(1975). The magnificent continent. New York ; Chicago ; San Francisco: Rand McNally & Company.

Chicago

1975. The magnificent continent. New York ; Chicago ; San Francisco: Rand McNally & Company.

Harvard

(1975). The magnificent continent. New York ; Chicago ; San Francisco: Rand McNally & Company.

MLA

The magnificent continent. New York ; Chicago ; San Francisco: Rand McNally & Company. 1975.