MLA

Robeva, Raina, and Raina Stefanova Robeva. Algebraic and Discrete Mathematical Methods for Modern Biology. Academic Press, 2015.

APA

Robeva, R., & Robeva, R. Stefanova. (2015). Algebraic and Discrete Mathematical Methods for Modern Biology. Academic Press.

Chicago

Robeva, Raina, and Raina Stefanova Robeva. Algebraic and Discrete Mathematical Methods for Modern Biology. : Academic Press, 2015.