APA (7th ed.) Citation

Halmos, P. R. (1987). I have a photographic memory. American Math. Soc.

Chicago Style (17th ed.) Citation

Halmos, Paul R. I Have a Photographic Memory. Providence, RI: American Math. Soc, 1987.

MLA (9th ed.) Citation

Halmos, Paul R. I Have a Photographic Memory. American Math. Soc, 1987.