APA (7th ed.) Citation

Garfunkel, F. (1969). Productivity of young children: The development of the Classroom Behavior Scales (CRB). Preliminary draft. [publisher not identified].

Chicago Style (17th ed.) Citation

Garfunkel, Frank. Productivity of Young Children: The Development of the Classroom Behavior Scales (CRB). Preliminary Draft. [Place of publication not identified]: [publisher not identified], 1969.

MLA (9th ed.) Citation

Garfunkel, Frank. Productivity of Young Children: The Development of the Classroom Behavior Scales (CRB). Preliminary Draft. [publisher not identified], 1969.