MLA

Scott M. Whitcup, and Mark Hallett. Botulinum Toxin Therapy. Springer International Publishing, 2021.

APA

Scott M. Whitcup, S. M. Whitcup, & Hallett, M. (2021). Botulinum Toxin Therapy. Springer International Publishing.

Chicago

Scott M. Whitcup, and Mark Hallett. Botulinum Toxin Therapy. : Springer International Publishing, 2021.