APA (7th ed.) Citation

Chowdhury, F., & Chowdhury, M. R. (2005). Essentials of number theory. Pi publications.

Chicago Style (17th ed.) Citation

Chowdhury, Fatema, and Munibur Rahman Chowdhury. Essentials of Number Theory. Dhaka: Pi publications, 2005.

MLA (9th ed.) Citation

Chowdhury, Fatema, and Munibur Rahman Chowdhury. Essentials of Number Theory. Pi publications, 2005.