Cita APA (7a ed.)
Hegel, F., & Hartman, R. S. Reason in History: A General Introduction to the Philosophy of History. Bobbs-Merrill.
Cita estilo Chicago (17a ed.)
Hegel, Friedrich, y Robert S. Hartman. Reason in History: A General Introduction to the Philosophy of History. Indianápolis, EUA: Bobbs-Merrill.
Cita MLA (9a ed.)
Hegel, Friedrich, y Robert S. Hartman. Reason in History: A General Introduction to the Philosophy of History. Bobbs-Merrill.
Precaución: Estas citas no son 100% exactas.