Phelps, H. A., & Henderson, D. (1958). Population: In its human aspects. Appleton Century Crofts.
Cita Chicago Style (17a ed.)Phelps, Harold A., y David Henderson. Population: In Its Human Aspects. New York: Appleton Century Crofts, 1958.
Cita MLA (8a ed.)Phelps, Harold A., y David Henderson. Population: In Its Human Aspects. Appleton Century Crofts, 1958.
Precaución: Estas citas no son 100% exactas.