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