APA Style

LACY, C, F, A, L, L, G, M, P, L, L, L. (2020). Drug Information Handbook With International Trade Names Index (20th edition). : Lexicomp.

MLA Style

LACY, Charles, F.,, AMSTRONG,, LORA, L.;, GOLDMAN,, MORTON, P.;, LANCE,, LEONARD, L.,. "Drug Information Handbook With International Trade Names Index". 20th edition : Lexicomp, 2020. Text.