Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

Sjoberg, Gideon, et al. A Case for the Case Study. University of North Carolina Press, 1991.