APA Style

Posamentier, A, S., Krulik, S. (2012). The art of motivating students for mathematics instruction . Dubuque: McGraw-Hill Humanities/Social Sciences/Languages.

MLA Style

Posamentier, Alfred, S., Krulik, Stephen. "The art of motivating students for mathematics instruction". Dubuque: McGraw-Hill Humanities/Social Sciences/Languages, 2012. Books.