Cita APA (7th ed.)
Tim Marshall. (2015). Prisoners of Geography. HarperOne.
Cita Chicago (17th ed.)
Tim Marshall. Prisoners of Geography. London: HarperOne, 2015.
Cita MLA (9th ed.)
Tim Marshall. Prisoners of Geography. HarperOne, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.