APA način citiranja (7. izdanje)

Bless, M. J. M. (1968). On two hollinid ostracode genera from the Upper Carboniferous of nothwestern Spain.

Čikaški stil citiranja (17. izdanje)

Bless, M. J. M. On Two Hollinid Ostracode Genera from the Upper Carboniferous of Nothwestern Spain. 1968.

MLA način citiranja (8. izdanje)

Bless, M. J. M. On Two Hollinid Ostracode Genera from the Upper Carboniferous of Nothwestern Spain. 1968.