NodeJS require module that is inside another module

How can I require a module that is a dependencie for another module? For example:

Project/foo.js
Project/nodule_modules/MyModule/node_modules/AnotherModule //dependencie of MyModule

How can I require "AnotherModule" from the foo.js file?

Use in the foo.js module:

var that = require('./node_modules/MyModule/node_modules/AnotherModule');

See http://nodejs.org/api/modules.html#modules_file_modules