APA引文

R.L. Polk & Co. R. L. Polk & Co.'s Chelan, Douglas, Grant and Okanogan counties directory. R. L. Polk & Co..

Chicago Style (17th ed.) Citation

R.L. Polk & Co. R. L. Polk & Co.'s Chelan, Douglas, Grant and Okanogan Counties Directory. Seattle, Wash.: R. L. Polk & Co..

MLA引文

R.L. Polk & Co. R. L. Polk & Co.'s Chelan, Douglas, Grant and Okanogan Counties Directory. R. L. Polk & Co..

警告：這些引文格式不一定是100％准確.