APA (7th ed.) Citation

Reubens, B. G. (1970). The hard-to-employ: European programs. Columbia University Press.

Chicago Style (17th ed.) Citation

Reubens, Beatrice G. The Hard-to-employ: European Programs. New York: Columbia University Press, 1970.

MLA (9th ed.) Citation

Reubens, Beatrice G. The Hard-to-employ: European Programs. Columbia University Press, 1970.