APA (7th ed.) Citation

Collinge, N. E. (1989). An Encyclopaedia of language. Routledge.

Chicago Style (17th ed.) Citation

Collinge, N. E. An Encyclopaedia of Language. London: Routledge, 1989.

MLA (9th ed.) Citation

Collinge, N. E. An Encyclopaedia of Language. Routledge, 1989.

Warning: These citations may not always be 100% accurate.