Cita APA (7a ed.)

Weiss, T. G., & Collins, C. (2000). Humanitarian challenges and intervention (2nd ed.). Westview.

Cita Chicago Style (17a ed.)

Weiss, Thomas George, y Cindy Collins. Humanitarian Challenges and Intervention. 2nd ed. Boulder [etc.]: Westview, 2000.

Cita MLA (9a ed.)

Weiss, Thomas George, y Cindy Collins. Humanitarian Challenges and Intervention. 2nd ed. Westview, 2000.