Cita APA (7a ed.)

Silverman, J. H. (2001). A friendly introduction to number theory (2nd ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Silverman, Joseph H. A Friendly Introduction to Number Theory. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 2001.

Cita MLA (9a ed.)

Silverman, Joseph H. A Friendly Introduction to Number Theory. 2nd ed. Prentice Hall, 2001.