For articles, news or company reports,
For example: Bloomberg L.P. (2006). Stock price graph for United Parcel Service 11/1/05 to 11/1/06. Retrieved from Bloomberg database
For data, table and screen-prints,
The requested attribution for use of derived or reformatted information is: "Source: Bloomberg Finance L.P.".
In the case of screen-prints, the Bloomberg copyright language contained in any such screen-prints (lower right-hand corner) must be retained, and the attribution language "Used with permission of Bloomberg Finance L.P." must be noted adjacent to each use.
How to copy and paste tables from Bloomberg to Excel
Some tables do allow you to output results to excel (ex. M&A's)
Look at the top of the table for the option.
Press the green PRINT key will print the current page.
To do a screen capture, type GRAB and hit the green GO key to email a screenshot to yourself.