APA

Chamberlain J., . (1963). The Enterprising Americans. New York: Harper & Row, Publishers.

Chicago

Chamberlain John, . 1963. The Enterprising Americans. New York: Harper & Row, Publishers.

Harvard

Chamberlain J., . (1963). The Enterprising Americans. New York: Harper & Row, Publishers.

MLA

Chamberlain John, . The Enterprising Americans. New York: Harper & Row, Publishers. 1963.