APA (7th ed.) Citation

Ellis, S. J., & Campbell, K. N. (1978). By the people: A history of Americans as volunteers. Energize.

Chicago Style (17th ed.) Citation

Ellis, Susan J., and Katherine Noyes Campbell. By the People: A History of Americans as Volunteers. Philadelphia: Energize, 1978.

MLA (8th ed.) Citation

Ellis, Susan J., and Katherine Noyes Campbell. By the People: A History of Americans as Volunteers. Energize, 1978.