APA (7th ed.) Citation

Gardner, M. (1988). Time travel and other mathematical bewilderments. W.H. Freeman and Co.

Chicago Style (17th ed.) Citation

Gardner, Martin. Time Travel and Other Mathematical Bewilderments. New York: W.H. Freeman and Co, 1988.

MLA (8th ed.) Citation

Gardner, Martin. Time Travel and Other Mathematical Bewilderments. W.H. Freeman and Co, 1988.

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