Daniels, R. V. (1966). Studying history: How and why. Prentice-Hall.
Cita Chicago Style (17a ed.)Daniels, Robert V. Studying History: How and Why. New Jersey: Prentice-Hall, 1966.
Cita MLA (9a ed.)Daniels, Robert V. Studying History: How and Why. Prentice-Hall, 1966.
Precaución: Estas citas no son 100% exactas.