Nelson, G. (1977). How to see: Visual adventures in a world God never made. Little Brown.
Cita Chicago Style (17a ed.)Nelson, George. How to See: Visual Adventures in a World God Never Made. Boston: Little Brown, 1977.
Cita MLA (9a ed.)Nelson, George. How to See: Visual Adventures in a World God Never Made. Little Brown, 1977.
Precaución: Estas citas no son 100% exactas.