Williams, G. E. (1990). The perfect shadow. Self Publishing.
Cita Chicago Style (17a ed.)Williams, George E. The Perfect Shadow. Upton-upon-Severn: Self Publishing, 1990.
Cita MLA (8a ed.)Williams, George E. The Perfect Shadow. Self Publishing, 1990.
Precaución: Estas citas no son 100% exactas.