APA (7th ed.) Citation

Khomiak, I. V., & Didukh, Y. P. (2009). A new find of Cypripedium calceolus L. (Orchidacese) in Zhytomyr Polissya.

Chicago Style (17th ed.) Citation

Khomiak, I. V., and Ya. P. Didukh. A New Find of Cypripedium Calceolus L. (Orchidacese) in Zhytomyr Polissya. 2009.

MLA (8th ed.) Citation

Khomiak, I. V., and Ya. P. Didukh. A New Find of Cypripedium Calceolus L. (Orchidacese) in Zhytomyr Polissya. 2009.

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