APA (7th ed.) Citation

ScienceDirect (Online service), Faigel, D. O., & Cave, D. R. (2008). Capsule endoscopy. Saunders Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Douglas O. Faigel, and David R. Cave. Capsule Endoscopy. Philadelphia: Saunders Elsevier, 2008.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Capsule Endoscopy. Saunders Elsevier, 2008.