Cushman, H. E. (1910). A beginner's history of philosophy. Houghton Mifflin.
Cita Chicago Style (17a ed.)Cushman, Herbert Ernest. A Beginner's History of Philosophy. Boston, New York, Chicago: Houghton Mifflin, 1910.
Cita MLA (9a ed.)Cushman, Herbert Ernest. A Beginner's History of Philosophy. Houghton Mifflin, 1910.
Precaución: Estas citas no son 100% exactas.