APA (7th ed.) Citation

Wilson. (2011). Focus on Academic Skills for IELTS - Course Book. Longman.

Chicago Style (17th ed.) Citation

Wilson. Focus on Academic Skills for IELTS - Course Book. Longman, 2011.

MLA (8th ed.) Citation

Wilson. Focus on Academic Skills for IELTS - Course Book. Longman, 2011.

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