APA (7th ed.) Citation

Trudgill, P., & Hannah, J. (2008). International English: A guide to varieties of standard English (5th edition.). Hodder Education.

Chicago Style (17th ed.) Citation

Trudgill, Peter, and Jean Hannah. International English: A Guide to Varieties of Standard English. 5th edition. London: Hodder Education, 2008.

MLA (9th ed.) Citation

Trudgill, Peter, and Jean Hannah. International English: A Guide to Varieties of Standard English. 5th edition. Hodder Education, 2008.