MLA

Laws, Jr, Edward R, et al. Transsphenoidal Surgery. Springer International Publishing, 2017.

APA

Laws, E. R, Cohen-Gadol, A. A, Schwartz, T. H, & Sheehan, J. P. (2017). Transsphenoidal Surgery. Springer International Publishing.

Chicago

Laws, Jr, Edward R., Aaron A Cohen-Gadol, Theodore H Schwartz, and Jason P Sheehan. Transsphenoidal Surgery. : Springer International Publishing, 2017.