Internationalization of a web application VCM 4 razor

Although it's not specific to MVC 4, there's a two part article here which explains the issues involved in detail:

http://afana.me/post/aspnet-mvc-internationalization.aspx

http://afana.me/post/aspnet-mvc-internationalization-part-2.aspx

However, I also found an internationalization package available from Nuget which is for MVC 4 and might save you a lot of time:

http://code52.org/aspnet-internationalization/tutorial.html