Csiky, J., & Purger, D. (2013). Herbaceous periwinkle, Vinca herbacea Waldst. et Kit. 1799 (Apocynaceae), a new species of the Croatian flora: Herbaceous periwinkle, Vinca herbacea Waldst. et Kit. 1799 (Apocynaceae), a new species of the Croatian flora. Acta botanica Croatica, p. 2.
Chicago stil citiranjaCsiky, János, and Dragica Purger. "Herbaceous periwinkle, Vinca herbacea Waldst. et Kit. 1799 (Apocynaceae), a new species of the Croatian flora: Herbaceous periwinkle, Vinca herbacea Waldst. et Kit. 1799 (Apocynaceae), a new species of the Croatian flora." 2013: 2.
MLA stil citiranjaCsiky, János, and Dragica Purger. "Herbaceous periwinkle, Vinca herbacea Waldst. et Kit. 1799 (Apocynaceae), a new species of the Croatian flora: Herbaceous periwinkle, Vinca herbacea Waldst. et Kit. 1799 (Apocynaceae), a new species of the Croatian flora." 2013: 2.