APA (7th ed.) Citation

Krantz, S. G. (2009). A guide to real variables. Math. Assoc. of America.

Chicago Style (17th ed.) Citation

Krantz, Steven G. A Guide to Real Variables. Washington, DC: Math. Assoc. of America, 2009.

MLA (9th ed.) Citation

Krantz, Steven G. A Guide to Real Variables. Math. Assoc. of America, 2009.