Johnston, R. J. (1979). Geography and geographers: Anglo-American human geography since 1945. Edward Arnold.
Citazione stile Chigago Style (17a edizione)Johnston, Ronald John. Geography and Geographers: Anglo-American Human Geography Since 1945. London: Edward Arnold, 1979.
Citatione MLA (9a ed.)Johnston, Ronald John. Geography and Geographers: Anglo-American Human Geography Since 1945. Edward Arnold, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.