Cita APA (7a ed.)
(Aug87). SOURCE ZIP AND SOURCE TRACT. Professional Geographer, 39(3), 360-362.
Cita Chicago Style (17a ed.)
"SOURCE ZIP AND SOURCE TRACT." Professional Geographer 39, no. 3 (Aug87): 360-362.
Cita MLA (9a ed.)
"SOURCE ZIP AND SOURCE TRACT." Professional Geographer, vol. 39, no. 3, Aug87, pp. 360-362.
Precaución: Estas citas no son 100% exactas.