Cita APA (7a ed.)

SpringerLink (Online service), Maconi, G., & Bianchi Porro, G. (2014). Ultrasound of the Gastrointestinal Tract (2nd ed. 2014.). Springer Berlin Heidelberg : Imprint: Springer.

Cita Chicago Style (17a ed.)

SpringerLink (Online service), Giovanni Maconi, y Gabriele Bianchi Porro. Ultrasound of the Gastrointestinal Tract. 2nd ed. 2014. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2014.

Cita MLA (8a ed.)

SpringerLink (Online service), et al. Ultrasound of the Gastrointestinal Tract. 2nd ed. 2014. Springer Berlin Heidelberg : Imprint: Springer, 2014.