APA (7th ed.) Citation

Bell, E. T. (1990). The last problem / introduction and notes by Underwood Dudley (Rev. ed.). Mathematical Association of America.

Chicago Style (17th ed.) Citation

Bell, E. T. The Last Problem / Introduction and Notes by Underwood Dudley. Rev. ed. [s.l.]: Mathematical Association of America, 1990.

MLA (9th ed.) Citation

Bell, E. T. The Last Problem / Introduction and Notes by Underwood Dudley. Rev. ed. Mathematical Association of America, 1990.

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