Cita APA (7a ed.)

Johnston, R. J. (1982). Geography and the State: An essay in political geography. Macmillan.

Cita Chicago Style (17a ed.)

Johnston, R. J. Geography and the State: An Essay in Political Geography. London [etc.]: Macmillan, 1982.

Cita MLA (9a ed.)

Johnston, R. J. Geography and the State: An Essay in Political Geography. Macmillan, 1982.