Gaya APA

The Merck Index,An Encyclopedia of Chemicals, Drugs, And Biologicals.13th.ed. Book 1. (2001). New Jersey: Merck Sherp & Dohme Research.

Gaya MLA

The Merck Index,An Encyclopedia of Chemicals, Drugs, And Biologicals.13th.ed. Book 1. 13th. ed Book 1. New Jersey: Merck Sherp & Dohme Research, 2001. Text.