APA aipamena

Sullivan, P. S., Khosropour, C. M., Luisi, N., Amsden, M., Coggia, T., Wingood, G. M., & DiClemente, R. J. (2011). Bias in Online Recruitment and Retention of Racial and Ethnic Minority Men Who Have Sex With Men. Gunther Eysenbach.

Chicago Style aipamena

Sullivan, Patrick S., Christine M. Khosropour, Nicole Luisi, Matthew Amsden, Tom Coggia, Gina M. Wingood, and Ralph J. DiClemente. Bias in Online Recruitment and Retention of Racial and Ethnic Minority Men Who Have Sex With Men. Gunther Eysenbach, 2011.

MLA aipamena

Sullivan, Patrick S., et al. Bias in Online Recruitment and Retention of Racial and Ethnic Minority Men Who Have Sex With Men. Gunther Eysenbach, 2011.