APA (7th ed.) Citation

Trask, R. L. (1996). Historical linguistics. Arnold ; Distributed in the USA by St. Martin's Press.

Chicago Style (17th ed.) Citation

Trask, R. L. Historical Linguistics. London: Arnold ; Distributed in the USA by St. Martin's Press, 1996.

MLA (9th ed.) Citation

Trask, R. L. Historical Linguistics. Arnold ; Distributed in the USA by St. Martin's Press, 1996.