APA (7th ed.) Citation

Bowen, T. (1997). Build your business grammar. Language Teaching Publications.

Chicago Style (17th ed.) Citation

Bowen, Tim. Build Your Business Grammar. [London?]: Language Teaching Publications, 1997.

MLA (9th ed.) Citation

Bowen, Tim. Build Your Business Grammar. Language Teaching Publications, 1997.

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