Cita APA (7a ed.)

Ragin, C. C., & Becker, H. S. (1992). What is a case?: Exploring the foundations of social inquiry. Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Ragin, Charles C., y Howard Saul Becker. What Is a Case?: Exploring the Foundations of Social Inquiry. Cambridge [u.a.]: Cambridge Univ. Press, 1992.

Cita MLA (9a ed.)

Ragin, Charles C., y Howard Saul Becker. What Is a Case?: Exploring the Foundations of Social Inquiry. Cambridge Univ. Press, 1992.