Egge, R. S. (1968). How to make something from nothing. Coward-McCann.
Cita Chicago Style (17a ed.)Egge, Ruth Stearns. How to Make Something from Nothing. New York: Coward-McCann, 1968.
Cita MLA (9a ed.)Egge, Ruth Stearns. How to Make Something from Nothing. Coward-McCann, 1968.
Precaución: Estas citas no son 100% exactas.