Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Conrad, T. A., και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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