At the heart of progress : coal, iron, and steam since 1750 : industrial imagery from the John P. Eckblad collection

MLA

Riggs, Timothy A, and John P Eckblad. At the Heart of Progress : Coal, Iron, and Steam Since 1750 : Industrial Imagery From the John P. Eckblad Collection. Chapel Hill: Ackland Art Museum, 2009.

APA

Riggs, T. A, & Eckblad, J. P. (2009). At the heart of progress : coal, iron, and steam since 1750 : industrial imagery from the John P. Eckblad collection. Chapel Hill: Ackland Art Museum.

Chicago

Riggs, Timothy A., and John P Eckblad. At the Heart of Progress : Coal, Iron, and Steam Since 1750 : Industrial Imagery From the John P. Eckblad Collection. Chapel Hill: Ackland Art Museum, 2009.