Cita APA (7a ed.)

American Enterprise Institute for Public Policy Research, Butler, D., Penniman, H. R., & Ranney, A. (1981). Democracy at the polls: A comparative study of competitive national elections. American Enterprise Institute for Public Policy Research.

Cita Chicago Style (17a ed.)

American Enterprise Institute for Public Policy Research, David Butler, Howard Rae Penniman, y Austin Ranney. Democracy at the Polls: A Comparative Study of Competitive National Elections. Washington: American Enterprise Institute for Public Policy Research, 1981.

Cita MLA (9a ed.)

American Enterprise Institute for Public Policy Research, et al. Democracy at the Polls: A Comparative Study of Competitive National Elections. American Enterprise Institute for Public Policy Research, 1981.