APA

Wheelis A., . (1971). The end of the modern age. New York: Basic Books.

Chicago

Wheelis Allen, . 1971. The end of the modern age. New York: Basic Books.

Harvard

Wheelis A., . (1971). The end of the modern age. New York: Basic Books.

MLA

Wheelis Allen, . The end of the modern age. New York: Basic Books. 1971.