APA (7th ed.) Citation

(2006). Longman Language Activator. Helps you write and speak natural English (17th ed.). Harlow, Longman, 2006.

Chicago Style (17th ed.) Citation

Longman Language Activator. Helps You Write and Speak Natural English. 17th ed. Harlow, Longman, 2006, 2006.

MLA (9th ed.) Citation

Longman Language Activator. Helps You Write and Speak Natural English. 17th ed. Harlow, Longman, 2006, 2006.