Citazione APA

Gardner, M. (2014). Knots and borromean rings, rep-tiles, and eight queens: Martin Gardner's unexpected hanging (New edition.). Cambridge university press.

Stile di citazione Chicago

Gardner, Martin. Knots and Borromean Rings, Rep-tiles, and Eight Queens: Martin Gardner's Unexpected Hanging. New edition. New York: Cambridge university press, 2014.

Citazione MLA

Gardner, Martin. Knots and Borromean Rings, Rep-tiles, and Eight Queens: Martin Gardner's Unexpected Hanging. New edition. Cambridge university press, 2014.