Cita APA (7a ed.)
Pandit, K. (May89). Population Pyramids. Professional Geographer, 41(2), 233-235.
Cita Chicago Style (17a ed.)
Pandit, Kavita. "Population Pyramids." Professional Geographer 41, no. 2 (May89): 233-235.
Cita MLA (9a ed.)
Pandit, Kavita. "Population Pyramids." Professional Geographer, vol. 41, no. 2, May89, pp. 233-235.
Precaución: Estas citas no son 100% exactas.