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