Resnick, A., James, P. E., Whipple, G., & Weiss, M. (1971). Man on the earth: An introduction to geography. Macmillan.
Citazione stile Chigago Style (17a edizione)Resnick, Abraham, Preston E. James, Gertrude Whipple, e Morris Weiss. Man on the Earth: An Introduction to Geography. New York: Macmillan, 1971.
Citatione MLA (9a ed.)Resnick, Abraham, et al. Man on the Earth: An Introduction to Geography. Macmillan, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.