APA (7th ed.) Citation

Hassan, M., & Hassan, M. On the p-center and p-median problems in cactus graphs.

Chicago Style (17th ed.) Citation

Hassan, Mohamad, and Mohamed Hassan. On the P-center and P-median Problems in Cactus Graphs.

MLA (9th ed.) Citation

Hassan, Mohamad, and Mohamed Hassan. On the P-center and P-median Problems in Cactus Graphs.

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