Cita APA (7th ed.)
Cook, S. F. (1949). Soil erosion and population in central Mexico. University of California Press.
Cita Chicago (17th ed.)
Cook, Sherburne Friend. Soil Erosion and Population in Central Mexico. Berkeley, Los Angeles: University of California Press, 1949.
Cita MLA (9th ed.)
Cook, Sherburne Friend. Soil Erosion and Population in Central Mexico. University of California Press, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.