APA

Dunbar C. F., Sprague O. M., . (1929). The theory and history of banking. New York: Putnam.

Chicago

Dunbar Charles Franklin, Sprague Oliver M.W, . 1929. The theory and history of banking. New York: Putnam.

Harvard

Dunbar C. F., Sprague O. M., . (1929). The theory and history of banking. New York: Putnam.

MLA

Dunbar Charles Franklin, Sprague Oliver M.W, . The theory and history of banking. New York: Putnam. 1929.