Gaya APA

O'Neil, M, J. (2006). The Merck Index: An Encyclopedia of Chemicals Drug And Biologicals, Vol. I . New Jersey: Merck Sherp & Dohme Research.

Gaya MLA

O'Neil, Maryadele, J.. "The Merck Index: An Encyclopedia of Chemicals Drug And Biologicals, Vol. I". New Jersey: Merck Sherp & Dohme Research, 2006. Text.