APA citiranje

Liu, B., Beral, V., Balkwill, A., Green, J., Sweetland, S., & Reeves, G. (2008). Gallbladder disease and use of transdermal versus oral hormone replacement therapy in postmenopausal women: Prospective cohort study. BMJ Publishing Group Ltd.

Citação norma Chicago

Liu, Bette, Valerie Beral, Angela Balkwill, Jane Green, Siân Sweetland, and Gillian Reeves. Gallbladder Disease and Use of Transdermal Versus Oral Hormone Replacement Therapy in Postmenopausal Women: Prospective Cohort Study. BMJ Publishing Group Ltd, 2008.

MLA citiranje

Liu, Bette, et al. Gallbladder Disease and Use of Transdermal Versus Oral Hormone Replacement Therapy in Postmenopausal Women: Prospective Cohort Study. BMJ Publishing Group Ltd, 2008.