APA (7th ed.) Citation

De Old, A. R. (1971). An experimental study involving a comparison of two methods of teaching industrial concepts. [publisher not identified].

Chicago Style (17th ed.) Citation

De Old, Alan Ross. An Experimental Study Involving a Comparison of Two Methods of Teaching Industrial Concepts. [Place of publication not identified]: [publisher not identified], 1971.

MLA (9th ed.) Citation

De Old, Alan Ross. An Experimental Study Involving a Comparison of Two Methods of Teaching Industrial Concepts. [publisher not identified], 1971.