APA (7th ed.) Citation

Hryhoriuk, I. P., Yakubenko, Y., & Haponenko, M. B. (2019). 60-th anniversary of professor Yu. V. Lykholat.

Chicago Style (17th ed.) Citation

Hryhoriuk, I. P., Ye Yakubenko, and M. B. Haponenko. 60-th Anniversary of Professor Yu. V. Lykholat. 2019.

MLA (8th ed.) Citation

Hryhoriuk, I. P., et al. 60-th Anniversary of Professor Yu. V. Lykholat. 2019.