APA (7th ed.) Citation

ScienceDirect (Online service), Hawes, R. H., Fockens, P., & Varadarajulu, S. (2015). Endosonography (Third edition.). Saunders/Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Robert H. Hawes, Paul Fockens, and Shyam Varadarajulu. Endosonography. Third edition. Philadelphia, PA: Saunders/Elsevier, 2015.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Endosonography. Third edition. Saunders/Elsevier, 2015.