Παραπομπή σε μορφή APA (7η εκδ.)

Johnston, R. J. (1982). Geography and the state : an essay in political geography: An essay in political geography. MacMillan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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