APA (7th ed.) Citation

Al-Khatatbeh, Y., & Lee, K. (2014). From superhard to hard: A review of transition metal dioxides TiO₂, ZrO₂, and HfO₂ hardness. Сверхтвердые материалы.

Chicago Style (17th ed.) Citation

Al-Khatatbeh, Y., and K.K.M Lee. "From Superhard to Hard: A Review of Transition Metal Dioxides TiO₂, ZrO₂, and HfO₂ Hardness." Сверхтвердые материалы 2014.

MLA (8th ed.) Citation

Al-Khatatbeh, Y., and K.K.M Lee. "From Superhard to Hard: A Review of Transition Metal Dioxides TiO₂, ZrO₂, and HfO₂ Hardness." Сверхтвердые материалы, 2014.

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