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