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