APA (7th ed.) Citation

ScienceDirect (Online service), Bristow, R. E., & Armstrong, D. K. (2010). Ovarian cancer. Saunders/Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Robert E. Bristow, and Deborah K. Armstrong. Ovarian Cancer. Philadelphia: Saunders/Elsevier, 2010.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Ovarian Cancer. Saunders/Elsevier, 2010.