APA (7th ed.) Citation

Seckel, A. (2002). The great book of optical illusions. Firefly Books.

Chicago Style (17th ed.) Citation

Seckel, Al. The Great Book of Optical Illusions. New York: Firefly Books, 2002.

MLA (9th ed.) Citation

Seckel, Al. The Great Book of Optical Illusions. Firefly Books, 2002.

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