APA (7th ed.) Citation

Hawlk, R. H. (1960). A comparative study of estimated achievement by industrial arts students, and students of cooperative work experience selected from the public secondary schools of Pennsylvania, Ohio, and Michigan. [publisher not identified].

Chicago Style (17th ed.) Citation

Hawlk, Robert Henry. A Comparative Study of Estimated Achievement by Industrial Arts Students, and Students of Cooperative Work Experience Selected from the Public Secondary Schools of Pennsylvania, Ohio, and Michigan. [Place of publication not identified]: [publisher not identified], 1960.

MLA (9th ed.) Citation

Hawlk, Robert Henry. A Comparative Study of Estimated Achievement by Industrial Arts Students, and Students of Cooperative Work Experience Selected from the Public Secondary Schools of Pennsylvania, Ohio, and Michigan. [publisher not identified], 1960.