Gaya APA

al., E. et al (2010,2007). Pharmacology (Eds: 03,Ed. 6th,third ed.). China By Saunders, an imprint of Elsefier Inc: Gadjah Mada University Press.

Gaya MLA

al., Et. et al. "Pharmacology". Eds: 03,Ed. 6th,third ed. China By Saunders, an imprint of Elsefier Inc: Gadjah Mada University Press, 2010,2007. Text.