APA način citiranja (7. izdanje)
ebrary, Inc, Henle, M., & Hopkins, B. (2012). Martin Gardner in the twenty-first century. Mathematical Association of America.
Čikaški stil citiranja (17. izdanje)
ebrary, Inc, Michael Henle, i Brian Hopkins. Martin Gardner in the Twenty-first Century. Washington, D.C.: Mathematical Association of America, 2012.
MLA način citiranja (9. izdanje)
ebrary, Inc, et al. Martin Gardner in the Twenty-first Century. Mathematical Association of America, 2012.
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