Cita APA (7a ed.)
Wager, E., & Williams, P. (2013). 'Hardly worth the effort'? Medical journals' policies and their editors' and publishers' views on trial registration and publication bias: Quantitative and qualitative study. BMJ: British Medical Journal, 347(7926), 14-15.
Cita Chicago Style (17a ed.)
Wager, Elizabeth, y Peter Williams. "'Hardly Worth the Effort'? Medical Journals' Policies and Their Editors' and Publishers' Views on Trial Registration and Publication Bias: Quantitative and Qualitative Study." BMJ: British Medical Journal 347, no. 7926 (2013): 14-15.
Cita MLA (9a ed.)
Wager, Elizabeth, y Peter Williams. "'Hardly Worth the Effort'? Medical Journals' Policies and Their Editors' and Publishers' Views on Trial Registration and Publication Bias: Quantitative and Qualitative Study." BMJ: British Medical Journal, vol. 347, no. 7926, 2013, pp. 14-15.
Precaución: Estas citas no son 100% exactas.