APA (7th ed.) Citation

Petrie , X., Altgeld , J. P., Parsons , A., & Parsons , L. (1960). John Peter Altgeld, profile of courage. [s.n.].

Chicago Style (17th ed.) Citation

Petrie , Xx, John P. Altgeld , Albert Parsons , and Lucy Parsons. John Peter Altgeld, Profile of Courage. [s.n.], 1960.

MLA (8th ed.) Citation

Petrie , Xx, et al. John Peter Altgeld, Profile of Courage. [s.n.], 1960.