Refer to the AUTHORS file from .cabal files.

[ci skip]

Cabal/Cabal.cabal

 name:          Cabal
 version:       1.25.0.0
-copyright:     2003-2016, Cabal Development Team
+copyright:     2003-2016, Cabal Development Team (see AUTHORS file)
 license:       BSD3
 license-file:  LICENSE
 author:        Cabal Development Team <cabal-devel@haskell.org>

cabal-install/cabal-install.cabal

@@ -9,7 +9,7 @@ homepage:           http://www.haskell.org/cabal/
 bug-reports:        https://github.com/haskell/cabal/issues
 License:            BSD3
 License-File:       LICENSE
-Author:             Cabal Development Team
+Author:             Cabal Development Team (see AUTHORS file)
 Maintainer:         Cabal Development Team <cabal-devel@haskell.org>
 Copyright:          2003-2016, Cabal Development Team
 Category:           Distribution