Gaya APA

Chun, H, J. et al (2018). Clinical Gastrointestinal Endoscopy (2nd ed. 2018). New york: Springer International Publishing.

Gaya MLA

Chun, Hoon, Jai. et al. "Clinical Gastrointestinal Endoscopy". 2nd ed. 2018 New york: Springer International Publishing, 2018. Text.