code: def cite_mini(self):
          
          citation_data = [self.first_author]
  
          if len(self._author_list) > 1:
              citation_data.append(self.last_author)
  
          citation_data.extend([self.year, self.journal])
  
          return " - ".join(citation_data)
docs: Return string with a citation for the record, formatted as:
          '{first_author} - {year} - {journal}'