APA (7th ed.) Citation

Summers, G. J. (1968). New puzzles in logical deduction / by G.J. Summers. Dover.

Chicago Style (17th ed.) Citation

Summers, G. J. New Puzzles in Logical Deduction / by G.J. Summers. Dover, 1968.

MLA (9th ed.) Citation

Summers, G. J. New Puzzles in Logical Deduction / by G.J. Summers. Dover, 1968.

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