APA Style

Rosen, K, H., Krithivasan, K. (2013). Discrete Mathematics and its Aplications = sevent editions . Beijing, China: the Mic grawhill companies.

MLA Style

Rosen, Kenneth, H.., Krithivasan, Kamala. "Discrete Mathematics and its Aplications = sevent editions". Beijing, China: the Mic grawhill companies, 2013. Text.