APA stil citiranja

Milanović, M. (1989). Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski Kotar region (Croatia, Yugoslavia): Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski Kotar region (Croatia, Yugoslavia). Zagreb: [Geološki zavod : Hrvatsko geološko društvo].

Chicago stil citiranja

Milanović, Momčilo. Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski Kotar region (Croatia, Yugoslavia): Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski Kotar region (Croatia, Yugoslavia). Zagreb: [Geološki zavod : Hrvatsko geološko društvo], 1989.

MLA stil citiranja

Milanović, Momčilo. Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski Kotar region (Croatia, Yugoslavia): Hexaella heraki n. gen., n. sp., a new problematical (incertae sedis) microfossil from the Lower Permian of the Gorski Kotar region (Croatia, Yugoslavia). Zagreb: [Geološki zavod : Hrvatsko geološko društvo], 1989.