Cita APA

Walsh, W. H. (1967). Philosophy of history: An introduction (Revised edition.). New York: Harper & Row, Publishers.

Citación estilo Chicago

Walsh, William Henry. Philosophy of History: An Introduction. Revised edition. New York: Harper & Row, Publishers, 1967.

Cita MLA

Walsh, William Henry. Philosophy of History: An Introduction. Revised edition. New York: Harper & Row, Publishers, 1967.