Gaya APA

O'Neil, M, J. (2013). The Merck Index: An Encyclopedia of Chemicals, Drugs, And Biologicals, Vol. II (15th.ed). Cambridge: Royal Society of Chemistry.

Gaya MLA

O'Neil, Maryadele, J. "The Merck Index: An Encyclopedia of Chemicals, Drugs, And Biologicals, Vol. II". 15th.ed Cambridge: Royal Society of Chemistry, 2013. Text.