Powell, J. L. (2014). Four revolutions in the earth sciences: From heresy to truth. Columbia University Press.
Citazione stile Chigago Style (17a edizione)Powell, James Lawrence. Four Revolutions in the Earth Sciences: From Heresy to Truth. New York, NY: Columbia University Press, 2014.
Citatione MLA (8a ed.)Powell, James Lawrence. Four Revolutions in the Earth Sciences: From Heresy to Truth. Columbia University Press, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.