APA引文

Sorokin, P. A. (1941). The crisis of our age: The social and cultural outlook. New York: Dutton.

Trích dẫn kiểu Chicago

Sorokin, Pitirim A. The Crisis of Our Age: The Social and Cultural Outlook. New York: Dutton, 1941.

MLA引文

Sorokin, Pitirim A. The Crisis of Our Age: The Social and Cultural Outlook. New York: Dutton, 1941.