[ capword sp num ] sp capword - capword sp capword . sp capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword othword sp othword sp othword sp smallet sp othword sp othword sp othword sp othword . sp capword othword sp capword sp othword sp capword sp capword , sp othword . sp num , sp othword . sp num , sp othword sp num – num , year .