APA

Armstrong W. M., . (1957). E. L. Godkin and American foreign policy, 1865-1900. New York: Bookman Associates.

Chicago

Armstrong William M, . 1957. E. L. Godkin and American foreign policy, 1865-1900. New York: Bookman Associates.

Harvard

Armstrong W. M., . (1957). E. L. Godkin and American foreign policy, 1865-1900. New York: Bookman Associates.

MLA

Armstrong William M, . E. L. Godkin and American foreign policy, 1865-1900. New York: Bookman Associates. 1957.