Cita APA (7a ed.)

Silverman, J. H. (2011). A friendly introduction to number theory (4th ed.). Pearson.

Cita Chicago Style (17a ed.)

Silverman, Joseph H. A Friendly Introduction to Number Theory. 4th ed. Upper Saddle River, N.J: Pearson, 2011.

Cita MLA (9a ed.)

Silverman, Joseph H. A Friendly Introduction to Number Theory. 4th ed. Pearson, 2011.