APA (7th ed.) Citation

Shatkin, L. (1980). Computer-assisted guidance: Descriptions of systems. Educational Testing Service.

Chicago Style (17th ed.) Citation

Shatkin, Laurence. Computer-assisted Guidance: Descriptions of Systems. Princeton, New Jersey: Educational Testing Service, 1980.

MLA (9th ed.) Citation

Shatkin, Laurence. Computer-assisted Guidance: Descriptions of Systems. Educational Testing Service, 1980.