APA (7th ed.) Citation

Emery, S., & Mackie, G. S. (2007). Outlook 3: CEF level B1.

Chicago Style (17th ed.) Citation

Emery, Sue, and Gill Stephens Mackie. Outlook 3: CEF Level B1. Australia, 2007.

MLA (9th ed.) Citation

Emery, Sue, and Gill Stephens Mackie. Outlook 3: CEF Level B1. 2007.