APA (7th ed.) Citation

Keisler, H. J. (2012). Elementary calculus: An infinitesimal approach (Third edition, Dover edition.). Dover Publications.

Chicago Style (17th ed.) Citation

Keisler, H. Jerome. Elementary Calculus: An Infinitesimal Approach. Third edition, Dover edition. Mineola, NY: Dover Publications, 2012.

MLA (8th ed.) Citation

Keisler, H. Jerome. Elementary Calculus: An Infinitesimal Approach. Third edition, Dover edition. Dover Publications, 2012.