Citing Euromonitor Passport sources is easy:

Euromonitor International [this is almost always the author]. (Year, date and month if available.) Report name [in italics]. Retrieved from [and the URL]

Examples:

Euromonitor International. (2008a, December 17). Consumer lifestyles in Egypt. Retrieved from http://www.euromonitor.com/

Euromonitor International. (2008b, May 27). Shopping for pleasure: The development of shopping as a leisure pursuit. Retrieved from http://www.euromonitor.com/


In-text citation examples:

In 2007 e-commerce accounted for a small percentage of sales, but was significant in the sales of books, travel and music (Euromonitor International, 2008a).

According to Euromonitor International (2008b), Egypt's recession had ended by 2004.

You can find more examples here: Reports