APA (7th ed.) Citation

Kokaska, C. J. (1967). The vocational preparation of the educable mentally retarded. [publisher not identified].

Chicago Style (17th ed.) Citation

Kokaska, Charles J. The Vocational Preparation of the Educable Mentally Retarded. [Place of publication not identified]: [publisher not identified], 1967.

MLA (9th ed.) Citation

Kokaska, Charles J. The Vocational Preparation of the Educable Mentally Retarded. [publisher not identified], 1967.