APA (7th ed.) Citation

Andrews, R., & Hendricks, C. M. (1987). Preschool health knowledge instrument. [publisher not identified].

Chicago Style (17th ed.) Citation

Andrews, Richard, and Charlotte Mitchell Hendricks. Preschool Health Knowledge Instrument. [Place of publication not identified]: [publisher not identified], 1987.

MLA (8th ed.) Citation

Andrews, Richard, and Charlotte Mitchell Hendricks. Preschool Health Knowledge Instrument. [publisher not identified], 1987.