Cita APA (7a ed.)

Cei, J. M. A. M. (1990). On a Paraguayan sample of a long time confused species: <i>Physalaemus fuscomaculatus</i> (Steindachner, 1864) (Anura, Leptodactylidae).

Cita Chicago Style (17a ed.)

Cei, José Miguel Alfredo María. On a Paraguayan Sample of a Long Time Confused Species: <i>Physalaemus Fuscomaculatus</i> (Steindachner, 1864) (Anura, Leptodactylidae). 1990.

Cita MLA (8a ed.)

Cei, José Miguel Alfredo María. On a Paraguayan Sample of a Long Time Confused Species: <i>Physalaemus Fuscomaculatus</i> (Steindachner, 1864) (Anura, Leptodactylidae). 1990.