Gates, A. E. (2004). encyclopedia of notable scientists: Earth scientists A to Z. Viva Books.
Citación estilo ChicagoGates, Alexander E. Encyclopedia of Notable Scientists: Earth Scientists A to Z. New Delhi: Viva Books, 2004.
Cita MLAGates, Alexander E. Encyclopedia of Notable Scientists: Earth Scientists A to Z. Viva Books, 2004.
Precaución: Estas citas no son 100% exactas.