APA

College Entrance Examination Board, Wirtz W., . (1977). On further examination: report of the Advisory Panel on the Scholastic Aptitude Test Score Decline. New York: College Entrance Examination Board.

Chicago

College Entrance Examination Board, Wirtz Willard, . 1977. On further examination: report of the Advisory Panel on the Scholastic Aptitude Test Score Decline. New York: College Entrance Examination Board.

Harvard

College Entrance Examination Board, Wirtz W., . (1977). On further examination: report of the Advisory Panel on the Scholastic Aptitude Test Score Decline. New York: College Entrance Examination Board.

MLA

College Entrance Examination Board, Wirtz Willard, . On further examination: report of the Advisory Panel on the Scholastic Aptitude Test Score Decline. New York: College Entrance Examination Board. 1977.