Cita APA (7a ed.)
Lloyd, R. (1994). Learning spatial prototypes. Annals of the Association of American Geographers, 84, 418-441.
Cita Chicago Style (17a ed.)
Lloyd, Robert. "Learning Spatial Prototypes." Annals of the Association of American Geographers 84 (1994): 418-441.
Cita MLA (9a ed.)
Lloyd, Robert. "Learning Spatial Prototypes." Annals of the Association of American Geographers, vol. 84, 1994, pp. 418-441.
Precaución: Estas citas no son 100% exactas.