Cita APA (7th ed.)

Warren, H. G., Leinenweber, H. D., & Andersen, O. M. (1967). Our democracy at work (2d ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Warren, Harris Gaylord, Harry D. Leinenweber, i O. M. Andersen. Our Democracy at Work. 2d ed. Englewood Cliffs, N. J: Prentice-Hall, 1967.

Cita MLA (9th ed.)

Warren, Harris Gaylord, et al. Our Democracy at Work. 2d ed. Prentice-Hall, 1967.