APA

Murphy S. P., Wilkens L. R., Hankin J. H., Foote J. A., Monroe K. R., Henderson B. E. & Kolonel L. N. (20021025). Comparison of two instruments for quantifying intake of vitamin and mineral supplements: a brief questionnaire versus three 24-hour recalls. : American journal of epidemiology.

Chicago

Murphy Suzanne P, Wilkens Lynne R, Hankin Jean H, Foote Janet A, Monroe Kristine R, Henderson Brian E and Kolonel Laurence N. 20021025. Comparison of two instruments for quantifying intake of vitamin and mineral supplements: a brief questionnaire versus three 24-hour recalls. : American journal of epidemiology.

Harvard

Murphy S. P., Wilkens L. R., Hankin J. H., Foote J. A., Monroe K. R., Henderson B. E. and Kolonel L. N. (20021025). Comparison of two instruments for quantifying intake of vitamin and mineral supplements: a brief questionnaire versus three 24-hour recalls. : American journal of epidemiology.

MLA

Murphy Suzanne P, Wilkens Lynne R, Hankin Jean H, Foote Janet A, Monroe Kristine R, Henderson Brian E and Kolonel Laurence N. Comparison of two instruments for quantifying intake of vitamin and mineral supplements: a brief questionnaire versus three 24-hour recalls. : American journal of epidemiology. 20021025.