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