Cita APA (7th ed.)

SpringerLink (Online service), Gagner, M., Schein, M., & Assalia, A. Controversies in laparoscopic surgery.

Cita Chicago (17th ed.)

SpringerLink (Online service), Michel Gagner, Moshe Schein, i Ahmad Assalia. Controversies in Laparoscopic Surgery.

Cita MLA (8th ed.)

SpringerLink (Online service), et al. Controversies in Laparoscopic Surgery.

Atenció: Aquestes cites poden no estar 100% correctes.