Cita APA (7a ed.)
Keil, T. J., & Keil, J. M. (2015). Anthracite's demise and the post-coal economy of Northeastern Pennsylvania. Lehigh University Press.
Cita Chicago Style (17a ed.)
Keil, Thomas J., y Jacqueline M. Keil. Anthracite's Demise and the Post-coal Economy of Northeastern Pennsylvania. Bethlehem: Lehigh University Press, 2015.
Cita MLA (9a ed.)
Keil, Thomas J., y Jacqueline M. Keil. Anthracite's Demise and the Post-coal Economy of Northeastern Pennsylvania. Lehigh University Press, 2015.
Precaución: Estas citas no son 100% exactas.