Cita APA

SpringerLink (Online service), Shami, V. M., & Kahaleh, M. (2010). Endoscopic ultrasound. Springer.

Citación estilo Chicago

SpringerLink (Online service), Vanessa M. Shami, and Michel Kahaleh. Endoscopic Ultrasound. Totowa, NJ: Springer, 2010.

Cita MLA

SpringerLink (Online service), et al. Endoscopic Ultrasound. Springer, 2010.