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