Cita APA (7a ed.)

Emmel, N., Seaman, J., & Kenney, F. (2013). Sampling and choosing cases in qualitative research: A realist approach. SAGE.

Cita Chicago Style (17a ed.)

Emmel, Nick, Jai Seaman, y Francis Kenney. Sampling and Choosing Cases in Qualitative Research: A Realist Approach. London, [England]: SAGE, 2013.

Cita MLA (8a ed.)

Emmel, Nick, et al. Sampling and Choosing Cases in Qualitative Research: A Realist Approach. SAGE, 2013.