Cita APA

R.L. Polk & Co. Polk's lumber directory of the United States. R.L. Polk & Co..

Chicago Style (17th ed.) Citation

R.L. Polk & Co. Polk's Lumber Directory of the United States. Chicago: R.L. Polk & Co..

Cita MLA

R.L. Polk & Co. Polk's Lumber Directory of the United States. R.L. Polk & Co..

Atenció: Aquestes cites poden no estar 100% correctes.