Cita APA (7a ed.)
Dement William C. (1976). Some must watch while some must sleep. San Francisco Book Co..
Cita Chicago Style (17a ed.)
Dement William C. Some Must Watch While Some Must Sleep. San Francisco: San Francisco Book Co., 1976.
Cita MLA (9a ed.)
Dement William C. Some Must Watch While Some Must Sleep. San Francisco Book Co., 1976.
Precaución: Estas citas no son 100% exactas.