APA

Hacker L. M., . (1957). American Century. New York: Sagamore Press Inc.

Chicago

Hacker Louis Morton, . 1957. American Century. New York: Sagamore Press Inc.

Harvard

Hacker L. M., . (1957). American Century. New York: Sagamore Press Inc.

MLA

Hacker Louis Morton, . American Century. New York: Sagamore Press Inc. 1957.