APA (7th ed.) Citation

Wilkinson, J. (1995). Introducing standard English. Penguin English.

Chicago Style (17th ed.) Citation

Wilkinson, Jeff. Introducing Standard English. England: Penguin English, 1995.

MLA (9th ed.) Citation

Wilkinson, Jeff. Introducing Standard English. Penguin English, 1995.

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