APA (7th ed.) Citation

Melnyk, V. I. (2015). Helleborus purpurascens Waldst. et Kit. (Ranunculaceae) is rare species of Europen flora in eastern limit of area.

Chicago Style (17th ed.) Citation

Melnyk, V. I. Helleborus Purpurascens Waldst. Et Kit. (Ranunculaceae) Is Rare Species of Europen Flora in Eastern Limit of Area. 2015.

MLA (8th ed.) Citation

Melnyk, V. I. Helleborus Purpurascens Waldst. Et Kit. (Ranunculaceae) Is Rare Species of Europen Flora in Eastern Limit of Area. 2015.

Warning: These citations may not always be 100% accurate.