Abler, R. (1975). Human geography in a shrinking world. Duxbury Press.
Style de citation Chicago (17e éd.)Abler, Ronald. Human Geography in a Shrinking World. North Scituate, Mass: Duxbury Press, 1975.
Style de citation MLA (9e éd.)Abler, Ronald. Human Geography in a Shrinking World. Duxbury Press, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.