APA

Stehman J. W., . (1967). The financial history of the American Telephone and Telegraph Company. New York: A.M. Kelley.

Chicago

Stehman Jonas Warren, . 1967. The financial history of the American Telephone and Telegraph Company. New York: A.M. Kelley.

Harvard

Stehman J. W., . (1967). The financial history of the American Telephone and Telegraph Company. New York: A.M. Kelley.

MLA

Stehman Jonas Warren, . The financial history of the American Telephone and Telegraph Company. New York: A.M. Kelley. 1967.