APA (7th ed.) Citation

Heliuta, V. P., Voitiuk, S. O., & Chumak, Y. (2004). Microsphaera azaleae U. Braun (Erysiphales), a new powdery mildew fungus in Ukraine.

Chicago Style (17th ed.) Citation

Heliuta, V. P., S. O. Voitiuk, and Ya Chumak. Microsphaera Azaleae U. Braun (Erysiphales), a New Powdery Mildew Fungus in Ukraine. 2004.

MLA (8th ed.) Citation

Heliuta, V. P., et al. Microsphaera Azaleae U. Braun (Erysiphales), a New Powdery Mildew Fungus in Ukraine. 2004.

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