APA (7th ed.) Citation

Hersh, R. (1997). What is mathematics, really? / Reuben Hersh. Jonathan Cape.

Chicago Style (17th ed.) Citation

Hersh, Reuben. What Is Mathematics, Really? / Reuben Hersh. London: Jonathan Cape, 1997.

MLA (9th ed.) Citation

Hersh, Reuben. What Is Mathematics, Really? / Reuben Hersh. Jonathan Cape, 1997.

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