If you are familiar with Visual Studio's Package Manager Console, then you probably already know that you can use the "Get-Package" command to list all the packages installed for a given project.  If you've done this before, you also know that the default width of the "Id" column can truncate many of the entries:

Luckily it's very easy to format the output using the PowerShell Format cmdlets.  Simply adding 

| Format-Table -AutoSize

to the end of the command will fix the formatting:

That's it, hope it helps.