APA (7th ed.) Citation

Milanova, M., & Tsvetkov, M. (2021, February). Rare Earths Doped Materials. Crystals.

Chicago Style (17th ed.) Citation

Milanova, Maria, and Martin Tsvetkov. "Rare Earths Doped Materials." Crystals Feb. 2021.

MLA (9th ed.) Citation

Milanova, Maria, and Martin Tsvetkov. "Rare Earths Doped Materials." Crystals, Feb. 2021.

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