APA (7th ed.) Citation

Yurchak, L. D., & Radioza, S. A. (2005). Allelopathic activity of Calendula genus species.

Chicago Style (17th ed.) Citation

Yurchak, L. D., and S. A. Radioza. Allelopathic Activity of Calendula Genus Species. 2005.

MLA (8th ed.) Citation

Yurchak, L. D., and S. A. Radioza. Allelopathic Activity of Calendula Genus Species. 2005.

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