Van Riper, C. (1951). Helping children talk better. Science Research Associates.
Chicago Style (17th ed.) CitationVan Riper, Charles. Helping Children Talk Better. Chicago: Science Research Associates, 1951.
MLA (9th ed.) CitationVan Riper, Charles. Helping Children Talk Better. Science Research Associates, 1951.
Warning: These citations may not always be 100% accurate.