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