Cita APA (7a ed.)
Landis, J. D. (Summer90). Microcomputer-based GIS systems. Journal of the American Planning Association, 56, 373-377.
Cita Chicago Style (17a ed.)
Landis, John D. "Microcomputer-based GIS Systems." Journal of the American Planning Association 56 (Summer90): 373-377.
Cita MLA (9a ed.)
Landis, John D. "Microcomputer-based GIS Systems." Journal of the American Planning Association, vol. 56, Summer90, pp. 373-377.
Precaución: Estas citas no son 100% exactas.