Cita APA (7a ed.)

Mackinder, H. J. (1951). The scope and methods of geography and the geographical pivot of history. The Royal Geographical Society.

Cita Chicago Style (17a ed.)

Mackinder, Halford J. The Scope and Methods of Geography and the Geographical Pivot of History. London: The Royal Geographical Society, 1951.

Cita MLA (9a ed.)

Mackinder, Halford J. The Scope and Methods of Geography and the Geographical Pivot of History. The Royal Geographical Society, 1951.

Precaución: Estas citas no son 100% exactas.