Gaya APA

Sohn, D, K. (2018). Practice and Principles in Therapeutic Colonoscopy (1st ed. 2018). New york: Springer International Publishing.

Gaya MLA

Sohn, Dae, Kyung. "Practice and Principles in Therapeutic Colonoscopy". 1st ed. 2018 New york: Springer International Publishing, 2018. Text.