[ capword sp num ] sp capword sp capword sp & sp capword sp capword . sp capword - othword sp othword sp othword othword sp othword sp othword . sp capword sp num othword sp upword sp capword capword sp othword sp capword sp capword sp othword sp capword capword sp ( upword sp capword , sp year ) , sp othword sp num – num , sp capword num - capword sp num sp year .