Conrad, T. A., & Harris, G. D. (1893). Republication of Conrad's Fossil shells of the Tertiary formations of North America. R. H. Darby, printer Palentological Research institution.
Citazione stile Chigago Style (17a edizione)Conrad, T. A., e Gilbert D. Harris. Republication of Conrad's Fossil Shells of the Tertiary Formations of North America. Washington, D.C., Ithica, N.Y: R. H. Darby, printer Palentological Research institution, 1893.
Citatione MLA (9a ed.)Conrad, T. A., e Gilbert D. Harris. Republication of Conrad's Fossil Shells of the Tertiary Formations of North America. R. H. Darby, printer Palentological Research institution, 1893.
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