APA (7th ed.) Citation

Fowler, E. W. (1949). Operation sheets versus process models in shop teaching: An experimental comparison. [publisher not identified].

Chicago Style (17th ed.) Citation

Fowler, Ewell Weldon. Operation Sheets Versus Process Models in Shop Teaching: An Experimental Comparison. [Place of publication not identified]: [publisher not identified], 1949.

MLA (9th ed.) Citation

Fowler, Ewell Weldon. Operation Sheets Versus Process Models in Shop Teaching: An Experimental Comparison. [publisher not identified], 1949.