APA

Tappan P. W., . (1951). Contemporary correction. New York: McGraw-Hill.

Chicago

Tappan Paul Wilbur, . 1951. Contemporary correction. New York: McGraw-Hill.

Harvard

Tappan P. W., . (1951). Contemporary correction. New York: McGraw-Hill.

MLA

Tappan Paul Wilbur, . Contemporary correction. New York: McGraw-Hill. 1951.