APA

Allen L. V., Ansel H. C. & Howes S. (2014). Ansel’s Pharmaceutical Dosage Forms and Drug Delivery Systems. Philadelphia: Wolters Kluwer.

Chicago

Allen L V, Ansel H C and Howes Sirkka. 2014. Ansel’s Pharmaceutical Dosage Forms and Drug Delivery Systems. Philadelphia: Wolters Kluwer.

Harvard

Allen L. V., Ansel H. C. and Howes S. (2014). Ansel’s Pharmaceutical Dosage Forms and Drug Delivery Systems. Philadelphia: Wolters Kluwer.

MLA

Allen L V, Ansel H C and Howes Sirkka. Ansel’s Pharmaceutical Dosage Forms and Drug Delivery Systems. Philadelphia: Wolters Kluwer. 2014.