APA (7th ed.) Citation

ScienceDirect (Online service), Pawlik, T. M., & Maithel, S. K. (2026). Biliary tract neoplasms. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Timothy M. Pawlik, and Shishir Kumar Maithel. Biliary Tract Neoplasms. Amsterdam: Elsevier, 2026.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Biliary Tract Neoplasms. Elsevier, 2026.