APA Style

ALLEN, L, V. et al (2005). Pharmaceutical Dosage Forms and Drug Delivery Systems - Eighth Edition (8). USA: Lippincott William & Wilkins.

MLA Style

ALLEN, LOYD, V.. et al. "Pharmaceutical Dosage Forms and Drug Delivery Systems - Eighth Edition". 8 USA: Lippincott William & Wilkins, 2005. Text.