Bell, M., Butlin, R. A., & Heffernan, M. J. (1995). Geography and imperialism, 1820-1940. University Press.
Cita Chicago Style (17a ed.)Bell, Morag, R. A. Butlin, y Michael J. Heffernan. Geography and Imperialism, 1820-1940. Manchester [etc.]: University Press, 1995.
Cita MLA (9a ed.)Bell, Morag, et al. Geography and Imperialism, 1820-1940. University Press, 1995.
Precaución: Estas citas no son 100% exactas.