Vernon, M. D. (1973). The psychology of perception (2nd ed.). Penguin.
Cita Chicago Style (17a ed.)Vernon, Magdalen Dorothea. The Psychology of Perception. 2nd ed. Harmondsworth [etc.]: Penguin, 1973.
Cita MLA (9a ed.)Vernon, Magdalen Dorothea. The Psychology of Perception. 2nd ed. Penguin, 1973.
Precaución: Estas citas no son 100% exactas.