Citação norma APA

van Dusseldorp, M., & Katan, M. B. (1990). Headache caused by caffeine withdrawal among moderate coffee drinkers switched from ordinary to decaffeinated coffee: A 12 week double blind trial.

Citação norma Chicago

van Dusseldorp, M., and M B. Katan. Headache Caused By Caffeine Withdrawal Among Moderate Coffee Drinkers Switched From Ordinary to Decaffeinated Coffee: A 12 Week Double Blind Trial. 1990.

Citação norma MLA

van Dusseldorp, M., and M B. Katan. Headache Caused By Caffeine Withdrawal Among Moderate Coffee Drinkers Switched From Ordinary to Decaffeinated Coffee: A 12 Week Double Blind Trial. 1990.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.