Cita APA (7a ed.)

Simpson, S. (1946). Belgium in transition. Philadelphia: American Academy of Political and Social Science.

Cita Chicago Style (17a ed.)

Simpson, Smith. Belgium in Transition. Philadelphia: American Academy of Political and Social Science, 1946.

Cita MLA (8a ed.)

Simpson, Smith. Belgium in Transition. Philadelphia: American Academy of Political and Social Science, 1946.