Cita APA (7a ed.)

Thomas, A., & Crow, B. (1994). Third world atlas. [s.n].

Cita Chicago Style (17a ed.)

Thomas, Alan, y Ben Crow. Third World Atlas. Open UniverSity PreSS, U.K: [s.n], 1994.

Cita MLA (9a ed.)

Thomas, Alan, y Ben Crow. Third World Atlas. [s.n], 1994.