Keyes, H. E. (1921). Six-year comparison of wholesale commodity prices and building materials costs. Engineering News-Record, 86, 446.
Chicago Style (17th ed.) CitationKeyes, H. E. "Six-year Comparison of Wholesale Commodity Prices and Building Materials Costs." Engineering News-Record 86 (1921): 446.
MLA (9th ed.) CitationKeyes, H. E. "Six-year Comparison of Wholesale Commodity Prices and Building Materials Costs." Engineering News-Record, vol. 86, 1921, p. 446.
Warning: These citations may not always be 100% accurate.