APA (7th ed.) Citation

Langerman, P. D. (1968). A skilled needs survey with implications for vocational-technical education in central Iowa. [publisher not identified].

Chicago Style (17th ed.) Citation

Langerman, Philip D. A Skilled Needs Survey with Implications for Vocational-technical Education in Central Iowa. [Place of publication not identified]: [publisher not identified], 1968.

MLA (9th ed.) Citation

Langerman, Philip D. A Skilled Needs Survey with Implications for Vocational-technical Education in Central Iowa. [publisher not identified], 1968.