docs: def create(self, source_type, name, resources, auth=None, parameters=None, validate=True):
          """ Create a managed source
  
              Uses API documented at http://dev.datasift.com/docs/api/rest-api/endpoints/sourcecreate
  
              :param source_type: data source name e.g. facebook_page, googleplus, instagram, yammer
              :type source_type: str
              :param name: name to use to identify the managed source being created
              :type name: str
              :param resources: list of source-specific config dicts
              :type resources: list
              :param auth: list of source-specific authentication dicts
              :type auth: list
              :param parameters: (optional) dict with config information on how to treat each resource
              :type parameters: dict
              :param validate: bool to determine if validation should be performed on the source
              :type validate: bool
              :return: dict of REST API output with headers attached
              :rtype: :class:`~datasift.request.DictResponse`
              :raises: :class:`~datasift.exceptions.DataSiftApiException`, :class:`requests.exceptions.HTTPError`
          """
          assert resources, "Need at least one resource"
  
          params = {
              'source_type': source_type,
              'name': name,
              'resources': resources,
              'validate': validate
          }
  
          if auth:
              params['auth'] = auth
          if parameters:
              params['parameters'] = parameters
  
          return self.request.post('create', params)