Citazione Stile APA (7a Edizione)
Ellis, S. J., & Noyes, K. H. (1990). By the people: A history of Americans as volunteers (Rev.ed.). Jossey-Bass.
Citazione stile Chigago Style (17a edizione)
Ellis, Susan J., e Katherine H. Noyes. By the People: A History of Americans as Volunteers. Rev.ed. San Francisco: Jossey-Bass, 1990.
Citatione MLA (9a ed.)
Ellis, Susan J., e Katherine H. Noyes. By the People: A History of Americans as Volunteers. Rev.ed. Jossey-Bass, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.