APA (7th ed.) Citation

Kresová, H., & Šalát, T. On palindromic numbers.

Chicago Style (17th ed.) Citation

Kresová, Helena, and Tibor Šalát. On Palindromic Numbers.

MLA (9th ed.) Citation

Kresová, Helena, and Tibor Šalát. On Palindromic Numbers.

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