Cita APA (7a ed.)

Turner, H. (1978). Triad: Optical illusions : and how to design them. Dover.

Cita Chicago Style (17a ed.)

Turner, Harry. Triad: Optical Illusions : And How to Design Them. New York: Dover, 1978.

Cita MLA (9a ed.)

Turner, Harry. Triad: Optical Illusions : And How to Design Them. Dover, 1978.