Não informado. (1887). Bulletin of the Vermont Agricultural Experiment Station. University of Vermont, College of Agriculture.
Citação do estilo Chicago (17ª ed.)Não informado. Bulletin of the Vermont Agricultural Experiment Station. Burlington, Vt: University of Vermont, College of Agriculture, 1887.
Citação MLA (8ª ed.)Não informado. Bulletin of the Vermont Agricultural Experiment Station. University of Vermont, College of Agriculture, 1887.
Atenció: Aquestes cites poden no estar 100% correctes.