Cita APA (7a ed.)

Feagin, J. R., Sjoberg, G., & Orum, A. M. (1991). A Case for the case study. University of North Carolina Press.

Cita Chicago Style (17a ed.)

Feagin, Joe R., Gideon Sjoberg, y Anthony M. Orum. A Case for the Case Study. Chapel Hill: University of North Carolina Press, 1991.

Cita MLA (9a ed.)

Feagin, Joe R., et al. A Case for the Case Study. University of North Carolina Press, 1991.