Cita APA (7a ed.)

Campbell, G. L. (1995). Concise compendium of the world's languages. Routledge.

Cita Chicago Style (17a ed.)

Campbell, George L. Concise Compendium of the World's Languages. London: Routledge, 1995.

Cita MLA (9a ed.)

Campbell, George L. Concise Compendium of the World's Languages. Routledge, 1995.