Cita APA (7a ed.)
LG, J., A, T., L, L., & A, R. (2009). Efficacy of convenience sampling through the Internet versus respondent driven sampling among males who have sex with males in Tallinn and Harju County, Estonia: Challenges reaching a hidden population. AIDS Care, 21(9), 1195-1203.
Cita Chicago Style (17a ed.)
LG, Johnston, Trummal A, Lõhmus L, y Ravalepik A. "Efficacy of Convenience Sampling Through the Internet Versus Respondent Driven Sampling Among Males Who Have Sex with Males in Tallinn and Harju County, Estonia: Challenges Reaching a Hidden Population." AIDS Care 21, no. 9 (2009): 1195-1203.
Cita MLA (9a ed.)
LG, Johnston, et al. "Efficacy of Convenience Sampling Through the Internet Versus Respondent Driven Sampling Among Males Who Have Sex with Males in Tallinn and Harju County, Estonia: Challenges Reaching a Hidden Population." AIDS Care, vol. 21, no. 9, 2009, pp. 1195-1203.
Precaución: Estas citas no son 100% exactas.