APA (7th ed.) Citation

Trudgill, P., & Hannah, J. (1982). International English: A guide to varieties of standard English. Arnold.

Chicago Style (17th ed.) Citation

Trudgill, Peter, and Jean Hannah. International English: A Guide to Varieties of Standard English. London: Arnold, 1982.

MLA (9th ed.) Citation

Trudgill, Peter, and Jean Hannah. International English: A Guide to Varieties of Standard English. Arnold, 1982.