Whitford, F., Mattheis, P., & Martin, A. G. (2008). The Queen of American Agriculture: A Biography of Virginia Claypool Meredith. Purdue University Press.
Citace podle Chicago (17th ed.)Whitford, Fred, Phyllis Mattheis, a Andrew G. Martin. The Queen of American Agriculture: A Biography of Virginia Claypool Meredith. West Lafayette, Ind.: Purdue University Press, 2008.
Citace podle MLA (9th ed.)Whitford, Fred, et al. The Queen of American Agriculture: A Biography of Virginia Claypool Meredith. Purdue University Press, 2008.
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