National intelligence tests; manual of directions for use with Scale A, form 1- and Scale B, form 1-
APA Citation
National Research Council (U.S.). (1920). National intelligence tests; manual of directions for use with Scale A, form 1- and Scale B, form 1-. Yonkers-on-Hudson: World book company.
MLA Citation
National Research Council (U.S.). National Intelligence Tests; Manual of Directions for Use With Scale A, Form 1- And Scale B, Form 1-. Yonkers-on-Hudson: World book company, 1920.
Warning: These citations may not always be complete (especially for serials).