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