Cita APA (7a ed.)

Gabriel, R. H. (1940). The course of American democratic thought: : an intellectual history since 1815. Ronald.

Cita Chicago Style (17a ed.)

Gabriel, Ralph Henry. The Course of American Democratic Thought: : An Intellectual History Since 1815. New York: Ronald, 1940.

Cita MLA (9a ed.)

Gabriel, Ralph Henry. The Course of American Democratic Thought: : An Intellectual History Since 1815. Ronald, 1940.