APA (7th ed.) Citation

SpringerLink (Online service), Sugano, K., Yamamoto , H., & Kita, H. Double-balloon endoscopy theory and practice.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Kentaro Sugano, Hironori Yamamoto , and Hiroto Kita. Double-balloon Endoscopy Theory and Practice.

MLA (8th ed.) Citation

SpringerLink (Online service), et al. Double-balloon Endoscopy Theory and Practice.

Warning: These citations may not always be 100% accurate.