APA (7th ed.) Citation

Caplen, R. (1969). A practical approach to quality control. Business Books.

Chicago Style (17th ed.) Citation

Caplen, Rowland. A Practical Approach to Quality Control. London: Business Books, 1969.

MLA (9th ed.) Citation

Caplen, Rowland. A Practical Approach to Quality Control. Business Books, 1969.