Watt, J. C. (1977). Stethaspis Hope, 1837, (Coleoptera: Scarabaeidae): proposed designation of type-species to remove confusion affecting Costelytra zealandica (White, 1846). Z.N. (S.) 2130. Zenodo.
Citazione stile Chigago Style (17a edizione)Watt, J. C. Stethaspis Hope, 1837, (Coleoptera: Scarabaeidae): Proposed Designation of Type-species to Remove Confusion Affecting Costelytra Zealandica (White, 1846). Z.N. (S.) 2130. Zenodo, 1977.
Citatione MLA (9a ed.)Watt, J. C. Stethaspis Hope, 1837, (Coleoptera: Scarabaeidae): Proposed Designation of Type-species to Remove Confusion Affecting Costelytra Zealandica (White, 1846). Z.N. (S.) 2130. Zenodo, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.