Cita APA (7a ed.)

Clotfelter, C. T., & Cook, P. J. (1989). Selling hope: State lotteries in America. Harvard Univ. Press.

Cita Chicago Style (17a ed.)

Clotfelter, Charles T., y Philip J. Cook. Selling Hope: State Lotteries in America. Cambridge, Mass. [u.a.]: Harvard Univ. Press, 1989.

Cita MLA (8a ed.)

Clotfelter, Charles T., y Philip J. Cook. Selling Hope: State Lotteries in America. Harvard Univ. Press, 1989.