Hancock, P. L., & Skinner, B. J. (2000). Oxford companion to the Earth. Oxford University Press.
Citación estilo ChicagoHancock, Paul Land, and Brian J. Skinner. Oxford Companion to the Earth. Oxford: Oxford University Press, 2000.
Cita MLAHancock, Paul Land, and Brian J. Skinner. Oxford Companion to the Earth. Oxford University Press, 2000.
Warning: These citations may not always be 100% accurate.