APA Style

Fields, B, N. et al (2013). Fields virology.2vol set. (6th ed). Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.

MLA Style

Fields, Bernard, N. et al. "Fields virology.2vol set.". 6th ed Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2013. Text.