Cita APA (7a ed.)

Romero, E., & Zamaloa, M. A key for the identification of the species and an update of the record of Nothofagidites from South America.

Cita Chicago Style (17a ed.)

Romero, E.J, y M.D.C Zamaloa. A Key for the Identification of the Species and an Update of the Record of Nothofagidites from South America.

Cita MLA (8a ed.)

Romero, E.J, y M.D.C Zamaloa. A Key for the Identification of the Species and an Update of the Record of Nothofagidites from South America.