Cita APA

Gabriel, R. H. 1., & Gabriel, R. H. 1. (1940). The course of American democratic thought: An intellectual history since 1815. New York: Ronald Press.

Citación estilo Chicago

Gabriel, Ralph Henry 1890-1987, y Ralph Henry 1890-1987 Gabriel. The Course of American Democratic Thought: An Intellectual History Since 1815. New York: Ronald Press, 1940.

Cita MLA

Gabriel, Ralph Henry 1890-1987, y Ralph Henry 1890-1987 Gabriel. The Course of American Democratic Thought: An Intellectual History Since 1815. New York: Ronald Press, 1940.