APA

Heren L., . (1968). The new American Commonwealth. New York: Harper & Row.

Chicago

Heren Louis, . 1968. The new American Commonwealth. New York: Harper & Row.

Harvard

Heren L., . (1968). The new American Commonwealth. New York: Harper & Row.

MLA

Heren Louis, . The new American Commonwealth. New York: Harper & Row. 1968.