APA ציטוט

Wiffen, P. J., Derry, S., & Moore, R. A. (2017). Tramadol with or without paracetamol (acetaminophen) for cancer pain. Cochrane Database Syst Rev.

Citação norma Chicago

Wiffen, Philip J., Sheena Derry, and R Andrew Moore. "Tramadol With or Without Paracetamol (acetaminophen) for Cancer Pain." Cochrane Database Syst Rev 2017.

ציטוט MLA

Wiffen, Philip J., Sheena Derry, and R Andrew Moore. "Tramadol With or Without Paracetamol (acetaminophen) for Cancer Pain." Cochrane Database Syst Rev 2017.