Dudeney, H. E., & Gardner, M. (1967). 536 puzzles & curious problems. Souvenir Press: [s.n.].
Chicago Style CitationDudeney, Henry Ernest, and Martin Gardner. 536 Puzzles & Curious Problems. Souvenir Press: [s.n.], 1967.
MLA CitationDudeney, Henry Ernest, and Martin Gardner. 536 Puzzles & Curious Problems. Souvenir Press: [s.n.], 1967.
Warning: These citations may not always be 100% accurate.