Cita APA (7th ed.)

Drucker, P. F., D'Antonio, W. V., & Ehrlich, H. J. (1961). Power and democracy in America. University of Notre Dame Press.

Cita Chicago (17th ed.)

Drucker, Peter Ferdinand, William V. D'Antonio, i Howard J. Ehrlich. Power and Democracy in America. [Notre Dame, Ind.]: University of Notre Dame Press, 1961.

Cita MLA (9th ed.)

Drucker, Peter Ferdinand, et al. Power and Democracy in America. University of Notre Dame Press, 1961.