Franklin

MLA

Chemical Pricing Patterns: Comparisons of Annual High and Low Prices for 1,250 Key Chemicals and Related Process Materials for the Years of 1952 Through 1970. 3d ed. New York: Schnell Pub. Co., 1971.

APA

(1971). Chemical pricing patterns: comparisons of annual high and low prices for 1,250 key chemicals and related process materials for the years of 1952 through 1970. 3d ed. New York: Schnell Pub. Co.

Chicago

Chemical Pricing Patterns: Comparisons of Annual High and Low Prices for 1,250 Key Chemicals and Related Process Materials for the Years of 1952 Through 1970. 3d ed. New York: Schnell Pub. Co., 1971.