APA (7th ed.) Citation

Johnstone, F. L. (1973). Health information of primary educable mentally retarded children as measured by the Davila Pictorial Health Information Test. [publisher not identified].

Chicago Style (17th ed.) Citation

Johnstone, Fonda Lou. Health Information of Primary Educable Mentally Retarded Children as Measured by the Davila Pictorial Health Information Test. [Place of publication not identified]: [publisher not identified], 1973.

MLA (9th ed.) Citation

Johnstone, Fonda Lou. Health Information of Primary Educable Mentally Retarded Children as Measured by the Davila Pictorial Health Information Test. [publisher not identified], 1973.