APA aipamena

Klinger, H., & Kennedy, W. (1990). Metaplacenticeras subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand.

Chicago Style aipamena

Klinger, H., and W. Kennedy. Metaplacenticeras Subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand. 1990.

MLA aipamena

Klinger, H., and W. Kennedy. Metaplacenticeras Subtilstriatum (Jimbo, 1894) (Cephalopoda: Ammonoidea) from the St Lucia Formation (Cretaceous), Zululand. 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.