APA

Sorokin P., . (1957). The Crisis of Our Age. New York: E.P. Dutton and Co., Inc.

Chicago

Sorokin P.A, . 1957. The Crisis of Our Age. New York: E.P. Dutton and Co., Inc.

Harvard

Sorokin P., . (1957). The Crisis of Our Age. New York: E.P. Dutton and Co., Inc.

MLA

Sorokin P.A, . The Crisis of Our Age. New York: E.P. Dutton and Co., Inc. 1957.