APA (7th ed.) Citation

Turner, H. (1978). Triad optical illusions and how to design them. Dover Publications.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Turner, Harry. Triad Optical Illusions and How to Design Them. Dover Publications, 1978.

Warning: These citations may not always be 100% accurate.