APA (7th ed.) Citation

Heliuta, V. P., Dziunenko, O. O., Kuk, R. T., & Isikov, V. P. (2009). New records of Erysiphe species on Catalpa bignonioides in Ukraine.

Chicago Style (17th ed.) Citation

Heliuta, V. P., O. O. Dziunenko, R. T.A Kuk, and V. P. Isikov. New Records of Erysiphe Species on Catalpa Bignonioides in Ukraine. 2009.

MLA (8th ed.) Citation

Heliuta, V. P., et al. New Records of Erysiphe Species on Catalpa Bignonioides in Ukraine. 2009.

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