APA (7th ed.) Citation

Filppula, M., Klemola, J., & Sharma, D. (2017). The Oxford handbook of World Englishes. Oxford University Press.

Chicago Style (17th ed.) Citation

Filppula, Markku, Juhani Klemola, and Devyani Sharma. The Oxford Handbook of World Englishes. Oxford: Oxford University Press, 2017.

MLA (9th ed.) Citation

Filppula, Markku, et al. The Oxford Handbook of World Englishes. Oxford University Press, 2017.