Whitford, F. (2013). For the Good of the Farmer: A Biography of John Harrison Skinner, Dean of Purdue Agriculture. Purdue University Press.
Cita Chicago Style (17a ed.)Whitford, Fred. For the Good of the Farmer: A Biography of John Harrison Skinner, Dean of Purdue Agriculture. Lafayette, Indiana: Purdue University Press, 2013.
Cita MLA (8a ed.)Whitford, Fred. For the Good of the Farmer: A Biography of John Harrison Skinner, Dean of Purdue Agriculture. Purdue University Press, 2013.
Precaución: Estas citas no son 100% exactas.