[ num ] sp capword sp upword . sp capword sp capword sp othword sp capword sp capword . sp capword , sp upword , sp upword : sp capword sp othword capword sp capword , sp capword sp capword sp othword sp capword sp othword sp capword ; sp year . sp capword sp othword sp capword sp capword upword - num - year . sp capword sp othword : sp othword : / / othword . othword - othword . othword / othword / year - capword / capword - capword . othword .