APA (7th ed.) Citation

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.

Chicago Style (17th ed.) Citation

Conrad, T. A., and 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.

MLA (9th ed.) Citation

Conrad, T. A., and Gilbert D. Harris. Republication of Conrad's Fossil Shells of the Tertiary Formations of North America. R. H. Darby, printer Palentological Research institution, 1893.