APA (7th ed.) Citation

Roberts, P. (2005). Spoken English as a world language: International and intranational settings.

Chicago Style (17th ed.) Citation

Roberts, Paul. Spoken English as a World Language: International and Intranational Settings. 2005.

MLA (9th ed.) Citation

Roberts, Paul. Spoken English as a World Language: International and Intranational Settings. 2005.

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