APA (7th ed.) Citation

Greenberg, J. W. (1970). Drawing completion task. [publisher not identified].

Chicago Style (17th ed.) Citation

Greenberg, Judith W. Drawing Completion Task. [Place of publication not identified]: [publisher not identified], 1970.

MLA (9th ed.) Citation

Greenberg, Judith W. Drawing Completion Task. [publisher not identified], 1970.