MLA

Nalini Vadivelu, Richard D. Urman, Roberta L. Hines, et al. Essentials of Pain Management. Springer New York, 2011.

APA

Nalini Vadivelu, R. L. Hines, Hines, R. L, Urman, R. D, & Vadivelu, N. (2011). Essentials of Pain Management. Springer New York.

Chicago

Nalini Vadivelu, Richard D. Urman, Roberta L. Hines, Roberta L Hines, Richard D Urman, and Nalini Vadivelu. Essentials of Pain Management. : Springer New York, 2011.