APA (7th ed.) Citation

Folens. (2003). Empower 3: Giving you key English skills. Folens publishers.

Chicago Style (17th ed.) Citation

Folens. Empower 3: Giving You Key English Skills. UK: Folens publishers, 2003.

MLA (9th ed.) Citation

Folens. Empower 3: Giving You Key English Skills. Folens publishers, 2003.

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