APA (7th ed.) Citation

(1986). Colombia has had its share of problems at El Cerrejon. Coal Age (00099910), 91, 35.

Chicago Style (17th ed.) Citation

"Colombia Has Had Its Share of Problems at El Cerrejon." Coal Age (00099910) 91 (1986): 35.

MLA (9th ed.) Citation

"Colombia Has Had Its Share of Problems at El Cerrejon." Coal Age (00099910), vol. 91, 1986, p. 35.

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