APA (7th ed.) Citation

Johnston, R. J. (1979). Political, electoral and spatial systems : an essay in political geography / (by) R.J. Johnston: An essay in political geography. Clarendon Press.

Chicago Style (17th ed.) Citation

Johnston, R. J. Political, Electoral and Spatial Systems : An Essay in Political Geography / (by) R.J. Johnston: An Essay in Political Geography. Oxford: Clarendon Press, 1979.

MLA (9th ed.) Citation

Johnston, R. J. Political, Electoral and Spatial Systems : An Essay in Political Geography / (by) R.J. Johnston: An Essay in Political Geography. Clarendon Press, 1979.

Warning: These citations may not always be 100% accurate.