Cita APA (7a ed.)

Mitchell, J., & Slim, H. (1990). Registration in emergencies. Oxfam.

Cita Chicago Style (17a ed.)

Mitchell, John, y Hugo Slim. Registration in Emergencies. Oxford: Oxfam, 1990.

Cita MLA (9a ed.)

Mitchell, John, y Hugo Slim. Registration in Emergencies. Oxfam, 1990.