Cita APA (7a ed.)

(2003). The ichnogenus Psammichnites Torell, 1870 in the Hoyada Verde Formation, Upper Carboniferous of the Calingasta-Uspallata Basin.

Cita Chicago Style (17a ed.)

The Ichnogenus Psammichnites Torell, 1870 in the Hoyada Verde Formation, Upper Carboniferous of the Calingasta-Uspallata Basin. 2003.

Cita MLA (8a ed.)

The Ichnogenus Psammichnites Torell, 1870 in the Hoyada Verde Formation, Upper Carboniferous of the Calingasta-Uspallata Basin. 2003.

Precaución: Estas citas no son 100% exactas.