Cita APA (7a ed.)
Smith, R. M. (Feb86). COMPARING TRADITIONAL METHODS FOR SELECTING CLASS INTERVALS ON CHOROPLETH MAPS*. Professional Geographer, 38(1), 62-68.
Cita Chicago Style (17a ed.)
Smith, Richard M. "COMPARING TRADITIONAL METHODS FOR SELECTING CLASS INTERVALS ON CHOROPLETH MAPS*." Professional Geographer 38, no. 1 (Feb86): 62-68.
Cita MLA (9a ed.)
Smith, Richard M. "COMPARING TRADITIONAL METHODS FOR SELECTING CLASS INTERVALS ON CHOROPLETH MAPS*." Professional Geographer, vol. 38, no. 1, Feb86, pp. 62-68.
Precaución: Estas citas no son 100% exactas.