Cita APA (7a ed.)

Silverman, D. (1997). Qualitative research: Theory, method and practice. Sage.

Cita Chicago Style (17a ed.)

Silverman, David. Qualitative Research: Theory, Method and Practice. London [etc.]: Sage, 1997.

Cita MLA (9a ed.)

Silverman, David. Qualitative Research: Theory, Method and Practice. Sage, 1997.