Cita APA (7a ed.)

Langran, G. (1993). Time in geographic information systems (Repr.). Taylor and Francis.

Cita Chicago Style (17a ed.)

Langran, Gail. Time in Geographic Information Systems. Repr. London ; New York: Taylor and Francis, 1993.

Cita MLA (9a ed.)

Langran, Gail. Time in Geographic Information Systems. Repr. Taylor and Francis, 1993.