APA (7th ed.) Citation

Sorokin, P. A. (1969). Sociological theories of today. Harper & Row.

Chicago Style (17th ed.) Citation

Sorokin, Pitirim Aleksandrovich. Sociological Theories of Today. New York [etc.]: Harper & Row, 1969.

MLA (9th ed.) Citation

Sorokin, Pitirim Aleksandrovich. Sociological Theories of Today. Harper & Row, 1969.