APA (7th ed.) Citation

Lazarsfeld, P. F. (1949). Communications research 1948-1949 (1. Aufl.). Harper.

Chicago Style (17th ed.) Citation

Lazarsfeld, Paul F. Communications Research 1948-1949. 1. Aufl. New York: Harper, 1949.

MLA (8th ed.) Citation

Lazarsfeld, Paul F. Communications Research 1948-1949. 1. Aufl. Harper, 1949.