Cita APA (7th ed.)

Parnes, H. S. (1969). Career thresholds: A Longitudinal study of the educational and labour market experience of male youth. Dept. of Labor.

Cita Chicago (17th ed.)

Parnes, Herbert S. Career Thresholds: A Longitudinal Study of the Educational and Labour Market Experience of Male Youth. [Washington]: Dept. of Labor, 1969.

Cita MLA (8th ed.)

Parnes, Herbert S. Career Thresholds: A Longitudinal Study of the Educational and Labour Market Experience of Male Youth. Dept. of Labor, 1969.