Cita APA (7a ed.)
Rickards, C. G. (1939). An Interpretation of the Mexican Year Sign as a Life Symbol. Instituto Nacional de Antropología e Historia.
Cita Chicago Style (17a 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 (9a ed.)
Rickards, Constantine George. An Interpretation of the Mexican Year Sign as a Life Symbol. Instituto Nacional de Antropología e Historia, 1939.
警告：這些引文格式不一定是100％准確.