Rüschemeyer, G. (2015). The new book of optical illusions. Firefly Books.
Cita Chicago Style (17a ed.)Rüschemeyer, Georg. The New Book of Optical Illusions. Richmond Hill, Ontario: Firefly Books, 2015.
Cita MLA (8a ed.)Rüschemeyer, Georg. The New Book of Optical Illusions. Firefly Books, 2015.
Precaución: Estas citas no son 100% exactas.