APA

Backman C. W., . (1966). Problems in social psychology. New York, NY [u.a.]: McGraw-Hill.

Chicago

Backman Carl W, . 1966. Problems in social psychology. New York, NY [u.a.]: McGraw-Hill.

Harvard

Backman C. W., . (1966). Problems in social psychology. New York, NY [u.a.]: McGraw-Hill.

MLA

Backman Carl W, . Problems in social psychology. New York, NY [u.a.]: McGraw-Hill. 1966.