Cita APA (7a ed.)

Grahame, J., Sugiyama, C., & Pyle, A. (1994). An inquiry into the principle of population. Routledge-Thoemmes Press.

Cita Chicago Style (17a ed.)

Grahame, James, Chuchei Sugiyama, y Andrew Pyle. An Inquiry into the Principle of Population. London: Routledge-Thoemmes Press, 1994.

Cita MLA (9a ed.)

Grahame, James, et al. An Inquiry into the Principle of Population. Routledge-Thoemmes Press, 1994.