Cita APA (7th ed.)

Martin, D. (1996). Geographic information systems: Socioeconomic applications (2nd ed.). Routledge.

Cita Chicago (17th ed.)

Martin, David. Geographic Information Systems: Socioeconomic Applications. 2nd ed. London, New York: Routledge, 1996.

Cita MLA (9th ed.)

Martin, David. Geographic Information Systems: Socioeconomic Applications. 2nd ed. Routledge, 1996.