APA (7th ed.) Citation

Smith, D. K. (1981). National school psychology questionnaire. [publisher not identified].

Chicago Style (17th ed.) Citation

Smith, Douglas K. National School Psychology Questionnaire. [Place of publication not identified]: [publisher not identified], 1981.

MLA (9th ed.) Citation

Smith, Douglas K. National School Psychology Questionnaire. [publisher not identified], 1981.