Cita APA (7a ed.)

Saul, L. R., & Petit, R. E. (2001). A new species of the aporrhaid gastropod genus Goniocheila Gabb, 1868, from the late Oligocene of North Carolina. Zenodo.

Cita Chicago Style (17a ed.)

Saul, Louella R., y Richard E. Petit. A New Species of the Aporrhaid Gastropod Genus Goniocheila Gabb, 1868, from the Late Oligocene of North Carolina. Zenodo, 2001.

Cita MLA (9a ed.)

Saul, Louella R., y Richard E. Petit. A New Species of the Aporrhaid Gastropod Genus Goniocheila Gabb, 1868, from the Late Oligocene of North Carolina. Zenodo, 2001.