APA-viite (7. p.)
Whitford, F. (2013). For the good of the farmer: A biography of John Harrison Skinner, Dean of Purdue agriculture. Purdue University Press.
Chicago-viite (17. p.)
Whitford, Fred. For the Good of the Farmer: A Biography of John Harrison Skinner, Dean of Purdue Agriculture. West Lafayette, Indiana: Purdue University Press, 2013.
MLA-viite (9. p.)
Whitford, Fred. For the Good of the Farmer: A Biography of John Harrison Skinner, Dean of Purdue Agriculture. Purdue University Press, 2013.
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