APA (7th ed.) Citation

Hallas, C. H. (1970). The care and training of the mentally subnormal (4th ed.). Williams and Wilkins.

Chicago Style (17th ed.) Citation

Hallas, Charles H. The Care and Training of the Mentally Subnormal. 4th ed. Baltimore: Williams and Wilkins, 1970.

MLA (8th ed.) Citation

Hallas, Charles H. The Care and Training of the Mentally Subnormal. 4th ed. Williams and Wilkins, 1970.

Warning: These citations may not always be 100% accurate.