MLA

Sadeghpour, and Farzad Sharifian. Cultural Linguistics and World Englishes. Springer Singapore, 2021.

APA

Sadeghpour, S., & Sharifian, F. (2021). Cultural Linguistics and World Englishes. Springer Singapore.

Chicago

Sadeghpour, and Farzad Sharifian. Cultural Linguistics and World Englishes. : Springer Singapore, 2021.