APA Style

Mcdowell, G, L. (2015). Cracking the coding interview: 189 programming questions & solutions sixth edition (Sixth edition). Palo Alto, CA: CareerCup.

MLA Style

Mcdowell, Gayle, Laakmann. "Cracking the coding interview: 189 programming questions & solutions sixth edition". Sixth edition Palo Alto, CA: CareerCup, 2015. .