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