Cita APA (7th ed.)
Rickards, C. G. (1939). An Interpretation of the Mexican Year Sign as a Life Symbol. Instituto Nacional de Antropología e Historia.
Cita Chicago (17th ed.)
Rickards, Constantine George. An Interpretation of the Mexican Year Sign as a Life Symbol. México: Instituto Nacional de Antropología e Historia, 1939.
Cita MLA (9th ed.)
Rickards, Constantine George. An Interpretation of the Mexican Year Sign as a Life Symbol. Instituto Nacional de Antropología e Historia, 1939.
Atenció: Aquestes cites poden no estar 100% correctes.