APA (7th ed.) Citation

Baerwald, F. 1. (1970). Economic progress and problems of labor (2d ed.). International Textbook Co.

Chicago Style (17th ed.) Citation

Baerwald, Friedrich 1900. Economic Progress and Problems of Labor. 2d ed. Scranton, Pa: International Textbook Co, 1970.

MLA (9th ed.) Citation

Baerwald, Friedrich 1900. Economic Progress and Problems of Labor. 2d ed. International Textbook Co, 1970.