Cita APA (7a ed.)

Harder, W. J. (2017). Daniel Drawbaugh: The Edison of the Cumberland Valley (Reprint 2016.). University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Harder, Warren J. Daniel Drawbaugh: The Edison of the Cumberland Valley. Reprint 2016. Philadelphia, Pa.: University of Pennsylvania Press, 2017.

Cita MLA (8a ed.)

Harder, Warren J. Daniel Drawbaugh: The Edison of the Cumberland Valley. Reprint 2016. University of Pennsylvania Press, 2017.

Precaución: Estas citas no son 100% exactas.