Cita APA (7th ed.)

Derry, C., Derry, S., & Moore, R. (2012). Caffeine as an analgesic adjuvant for acute pain in adults.

Cita Chicago (17th ed.)

Derry, C., S. Derry, i R. Moore. Caffeine as an Analgesic Adjuvant for Acute Pain in Adults. 2012.

Cita MLA (9th ed.)

Derry, C., et al. Caffeine as an Analgesic Adjuvant for Acute Pain in Adults. 2012.