APA (7th ed.) Citation

Caplen, R. (1982). A practical approach to quality control (4.ed.). Business Books.

Chicago Style (17th ed.) Citation

Caplen, Rowland. A Practical Approach to Quality Control. 4.ed. London: Business Books, 1982.

MLA (9th ed.) Citation

Caplen, Rowland. A Practical Approach to Quality Control. 4.ed. Business Books, 1982.