APA (7th ed.) Citation

International Labor Office, Geneva. (1920). Studies and reports, series D (Wages and hours). s.n.

Chicago Style (17th ed.) Citation

International Labor Office, Geneva. Studies and Reports, Series D (Wages and Hours). [Geneva: s.n, 1920.

MLA (9th ed.) Citation

International Labor Office, Geneva. Studies and Reports, Series D (Wages and Hours). s.n, 1920.