Cita APA (7a ed.)

Dray, W. H. (1964). Philosophy of history. Prentice-Hall.

Cita Chicago Style (17a ed.)

Dray, William H. Philosophy of History. Englewood Cliffs, New Jersey: Prentice-Hall, 1964.

Cita MLA (9a ed.)

Dray, William H. Philosophy of History. Prentice-Hall, 1964.