Cita APA (7a ed.)

Ellis, S. J., & Noyes, K. H. (1990). By the people: A history of Americans as volunteers (Rev.ed.). Jossey-Bass.

Cita Chicago Style (17a ed.)

Ellis, Susan J., y Katherine H. Noyes. By the People: A History of Americans as Volunteers. Rev.ed. San Francisco: Jossey-Bass, 1990.

Cita MLA (9a ed.)

Ellis, Susan J., y Katherine H. Noyes. By the People: A History of Americans as Volunteers. Rev.ed. Jossey-Bass, 1990.