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