APA (7th ed.) Citation
OPP, G. (1994). HISTORICAL ROOTS OF THE FIELD OF LEARNING DISABILITIES: SOME NINETEENTH-CENTURY GERMAN CONTRIBUTIONS.
Chicago Style (17th ed.) Citation
OPP, G. HISTORICAL ROOTS OF THE FIELD OF LEARNING DISABILITIES: SOME NINETEENTH-CENTURY GERMAN CONTRIBUTIONS. 1994.
MLA (9th ed.) Citation
OPP, G. HISTORICAL ROOTS OF THE FIELD OF LEARNING DISABILITIES: SOME NINETEENTH-CENTURY GERMAN CONTRIBUTIONS. 1994.
Warning: These citations may not always be 100% accurate.