APA (7th ed.) Citation

Arnold & Harmer. (1988). Advanced writing skills. Longman Group UK Limited.

Chicago Style (17th ed.) Citation

Arnold and Harmer. Advanced Writing Skills. England: Longman Group UK Limited, 1988.

MLA (8th ed.) Citation

Arnold and Harmer. Advanced Writing Skills. Longman Group UK Limited, 1988.

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