APA ציטוט

Summers, G. J. (1986). The great book of mind teasers & mind puzzlers. Sterling.

Chicago Style (17th ed.) Citation

Summers, George J. The Great Book of Mind Teasers & Mind Puzzlers. New York: Sterling, 1986.

ציטוט MLA

Summers, George J. The Great Book of Mind Teasers & Mind Puzzlers. Sterling, 1986.