APA

Chudoba B., . (1951). The meaning of civilization. New York: P.J. Kenedy.

Chicago

Chudoba Bohdan, . 1951. The meaning of civilization. New York: P.J. Kenedy.

Harvard

Chudoba B., . (1951). The meaning of civilization. New York: P.J. Kenedy.

MLA

Chudoba Bohdan, . The meaning of civilization. New York: P.J. Kenedy. 1951.