APA (7th ed.) Citation

(1921). The coal situation 1913 and 1919. International Labour Organization.

Chicago Style (17th ed.) Citation

The Coal Situation 1913 and 1919. International Labour Organization, 1921.

MLA (9th ed.) Citation

The Coal Situation 1913 and 1919. International Labour Organization, 1921.

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