APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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