Cita APA (7a ed.)

(2012). Gymnosperm flora from the Nirihuau formation (late oligocene-early miocene), RFO negro Province, Argentina.

Cita Chicago Style (17a ed.)

Gymnosperm Flora from the Nirihuau Formation (late Oligocene-early Miocene), RFO Negro Province, Argentina. 2012.

Cita MLA (8a ed.)

Gymnosperm Flora from the Nirihuau Formation (late Oligocene-early Miocene), RFO Negro Province, Argentina. 2012.