APA

College Entrance Examination Board, Duggan J. M., . (1963). Predicting college grades: a computation workbook for estimating freshman grade averages from high school records and College Board scores. [Princeton, N.J.]: .

Chicago

College Entrance Examination Board, Duggan John M, . 1963. Predicting college grades: a computation workbook for estimating freshman grade averages from high school records and College Board scores. [Princeton, N.J.]: .

Harvard

College Entrance Examination Board, Duggan J. M., . (1963). Predicting college grades: a computation workbook for estimating freshman grade averages from high school records and College Board scores. [Princeton, N.J.]: .

MLA

College Entrance Examination Board, Duggan John M, . Predicting college grades: a computation workbook for estimating freshman grade averages from high school records and College Board scores. [Princeton, N.J.]: . 1963.