MLA

Said, Roshima, et al. State-of-the-art Theories and Empirical Evidence. Springer Singapore, 2018.

APA

Said, R., Anuar Kamarudin, K., Azhar, Z., & Mohd Sidek, N. Zahirah. (2018). State-of-the-Art Theories and Empirical Evidence. Springer Singapore.

Chicago

Said, Roshima, Khairul Anuar Kamarudin, Zubir Azhar, and Noor Zahirah Mohd Sidek. State-Of-The-Art Theories and Empirical Evidence. : Springer Singapore, 2018.