Cita APA (7a ed.)

Collinge, N. E. (1990). An Encyclopedia of language. Routledge.

Cita Chicago Style (17a ed.)

Collinge, N. E. An Encyclopedia of Language. London: Routledge, 1990.

Cita MLA (9a ed.)

Collinge, N. E. An Encyclopedia of Language. Routledge, 1990.