Stewart, B. E. (2011). No. 9: The 1968 Farmington Mine Disaster. West Virginia University Press.
Cita Chicago (17th ed.)Stewart, Bonnie E. No. 9: The 1968 Farmington Mine Disaster. Morgantown, W. Va.: West Virginia University Press, 2011.
Cita MLA (9th ed.)Stewart, Bonnie E. No. 9: The 1968 Farmington Mine Disaster. West Virginia University Press, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.