Cita APA

Pen, J. (1966). Harmony and conflict in modern society. McGraw-Hill.

Citación estilo Chicago

Pen, Jan. Harmony and Conflict in Modern Society. New York: McGraw-Hill, 1966.

Cita MLA

Pen, Jan. Harmony and Conflict in Modern Society. McGraw-Hill, 1966.

Warning: These citations may not always be 100% accurate.