Gaya APA

Wells, F, C. et al (2018). Operative Mitral and Tricuspid Valve Surgery (1st ed. 2018). New york: Springer International Publishing.

Gaya MLA

Wells, Francis, C.. et al. "Operative Mitral and Tricuspid Valve Surgery". 1st ed. 2018 New york: Springer International Publishing, 2018. Text.