MLA

Al-Essa, Reem K, et al. Pharmaceutical Regulatory Environment. Springer International Publishing, 2015.

APA

Al-Essa, R. K, Al-Rubaie, M., Walker, S., & Salek, S. (2015). Pharmaceutical Regulatory Environment. Springer International Publishing.

Chicago

Al-Essa, Reem K., Mohammed Al-Rubaie, Stuart Walker, and Sam Salek. Pharmaceutical Regulatory Environment. : Springer International Publishing, 2015.