APA引文

R.L. Polk & Co. Spokane city directory. R.L. Polk & Co..

Chicago Style (17th ed.) Citation

R.L. Polk & Co. Spokane City Directory. Spokane, Wash.: R.L. Polk & Co..

MLA引文

R.L. Polk & Co. Spokane City Directory. R.L. Polk & Co..

警告：這些引文格式不一定是100％准確.