Cita APA (7a ed.)

Spence, G., & Polk, A. (1982). Gerry Spence gunning for justice. Doubleday.

Cita Chicago Style (17a ed.)

Spence, Gerry, y Anthony Polk. Gerry Spence Gunning for Justice. Garden City, NY: Doubleday, 1982.

Cita MLA (9a ed.)

Spence, Gerry, y Anthony Polk. Gerry Spence Gunning for Justice. Doubleday, 1982.