Gaya APA

W.Shannon, M. et al (2007). Haddad and Winchester's Clinical Management Of Poisoning and Drug Overdose (4). China: Saunders Elsevier.

Gaya MLA

W.Shannon, Michael. et al. "Haddad and Winchester's Clinical Management Of Poisoning and Drug Overdose". 4 China: Saunders Elsevier, 2007. Text.