APA (7th ed.) Citation

Petrova, Y. I. (2019). In memory of Lidiya Petrova.

Chicago Style (17th ed.) Citation

Petrova, Yu. I. In Memory of Lidiya Petrova. 2019.

MLA (8th ed.) Citation

Petrova, Yu. I. In Memory of Lidiya Petrova. 2019.

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