APA (7th ed.) Citation

Northcott, J. N. (1967). Le problème des terrils. International Labour Organization.

Chicago Style (17th ed.) Citation

Northcott, J. N. Le Problème Des Terrils. International Labour Organization, 1967.

MLA (9th ed.) Citation

Northcott, J. N. Le Problème Des Terrils. International Labour Organization, 1967.

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