APA Style

Kastrup, E, K., Olin, B, R. (1989). Drug facts and comparisons . America: A Division of J.B Lippincott company.

MLA Style

Kastrup, Erwin,, K., Olin, Bernine,, R. "Drug facts and comparisons". America: A Division of J.B Lippincott company, 1989. Text.