APA citiranje

Sprague, B. L., Skinner, H. G., Trentham-Dietz, A., Lee, K. E., Klein, B. E., & Klein, R. (2010). Serum calcium and breast cancer risk in a prospective cohort study.

Citação norma Chicago

Sprague, Brian L., Halcyon G. Skinner, Amy Trentham-Dietz, Kristine E. Lee, Barbara E.K Klein, and Ronald Klein. Serum Calcium and Breast Cancer Risk in a Prospective Cohort Study. 2010.

MLA citiranje

Sprague, Brian L., et al. Serum Calcium and Breast Cancer Risk in a Prospective Cohort Study. 2010.