Cita APA (7a ed.)

Cooper, J. F., & Wallace, J. D. (1991). The pioneers. University Press.

Cita Chicago Style (17a ed.)

Cooper, James Fenimore, y James D. Wallace. The Pioneers. Oxford [etc.]: University Press, 1991.

Cita MLA (9a ed.)

Cooper, James Fenimore, y James D. Wallace. The Pioneers. University Press, 1991.