If I reference a public work, I will list it here. The format I am using is the same format that is used in my favorite pattern book: Patterns of Enterprise Application Architecture.
[Fowler AP]
Fowler. Analysis Patterns. Addison-Wesley. 1997.
Domain model patterns.
[Fowler Refactoring]
Foweler. Refactoring. Addison-Wesley, 1999.
A technique for improving the design of an existing code base.