APA (7th ed.) Citation

(2005). XVIII. Colombia. World Coal Report, 1, 139.

Chicago Style (17th ed.) Citation

"XVIII. Colombia." World Coal Report 1 (2005): 139.

MLA (9th ed.) Citation

"XVIII. Colombia." World Coal Report, vol. 1, 2005, p. 139.

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