American Psychological Association 6th edition

Al-Natoor, A., Hirzallah, O., & Kittaneh, F. (2025). Norm inequalities for matrices via the numerical radius. Periodica Mathematica Hungarica, 91(2), 534-545. https://doi.org/10.1007/s10998-025-00669-7

ISO-690 (author-date, English)

AL-NATOOR, Ahmad, HIRZALLAH, Omar and KITTANEH, Fuad, 2025. Norm inequalities for matrices via the numerical radius. Periodica Mathematica Hungarica. 1 December 2025. Vol. 91, no. 2, p. 534-545. DOI 10.1007/s10998-025-00669-7.

Modern Language Association 9th edition

Al-Natoor, A., O. Hirzallah, and F. Kittaneh. “Norm Inequalities for Matrices via the Numerical Radius”. Periodica Mathematica Hungarica, vol. 91, no. 2, Dec. 2025, pp. 534-45, https://doi.org/10.1007/s10998-025-00669-7.

Mohr Siebeck - Recht (Deutsch - Österreich)

Al-Natoor, Ahmad/Hirzallah, Omar/Kittaneh, Fuad: Norm inequalities for matrices via the numerical radius, Periodica Mathematica Hungarica 2025, 534-545.

Emerald - Harvard

Al-Natoor, A., Hirzallah, O. and Kittaneh, F. (2025), “Norm inequalities for matrices via the numerical radius”, Periodica Mathematica Hungarica, Vol. 91 No. 2, pp. 534-545.

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