APA Style

Allen, L, V., McPherson, T. (2023). Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems (Twelfth Ed.). New Delhi, India: Wolters Kluwer.

MLA Style

Allen, Lody, V., McPherson, Timothy. "Ansel's Pharmaceutical Dosage Forms and Drug Delivery Systems". Twelfth Ed. New Delhi, India: Wolters Kluwer, 2023. Text.