Ruch, G. M., De Graff, M. H., Gordon, W. E., & Commonwealth Fund. (1926). Objective examination methods in the social studies: A report of investigations carried out under a subvention from the New York Commonwealth fund. Scott, Foresman and company.
Chicago Style (17th ed.) CitationRuch, G. M., Mark H. De Graff, W. E. Gordon, and Commonwealth Fund. Objective Examination Methods in the Social Studies: A Report of Investigations Carried Out Under a Subvention from the New York Commonwealth Fund. Chicago, Atlanta [etc.]: Scott, Foresman and company, 1926.
MLA (8th ed.) CitationRuch, G. M., et al. Objective Examination Methods in the Social Studies: A Report of Investigations Carried Out Under a Subvention from the New York Commonwealth Fund. Scott, Foresman and company, 1926.