APA

Knight C. A., Knight I., Mitchell D. C. & Zepp J. E. (20041220). Beverage caffeine intake in US consumers and subpopulations of interest: estimates from the Share of Intake Panel survey. : Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Chicago

Knight C A, Knight I, Mitchell D C and Zepp J E. 20041220. Beverage caffeine intake in US consumers and subpopulations of interest: estimates from the Share of Intake Panel survey. : Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Harvard

Knight C. A., Knight I., Mitchell D. C. and Zepp J. E. (20041220). Beverage caffeine intake in US consumers and subpopulations of interest: estimates from the Share of Intake Panel survey. : Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

MLA

Knight C A, Knight I, Mitchell D C and Zepp J E. Beverage caffeine intake in US consumers and subpopulations of interest: estimates from the Share of Intake Panel survey. : Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association. 20041220.