APA (7th ed.) Citation

Trux, W. R. (1971). Data processing for purchasing and stock control (English-language ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Trux, Walter R. Data Processing for Purchasing and Stock Control. English-language ed. London [etc.]: McGraw-Hill, 1971.

MLA (9th ed.) Citation

Trux, Walter R. Data Processing for Purchasing and Stock Control. English-language ed. McGraw-Hill, 1971.