Cita APA (7th ed.)

Short, J. R. (1993). An introduction to political geography (2nd ed.). Routledge.

Cita Chicago (17th ed.)

Short, John Rennie. An Introduction to Political Geography. 2nd ed. London: Routledge, 1993.

Cita MLA (9th ed.)

Short, John Rennie. An Introduction to Political Geography. 2nd ed. Routledge, 1993.