APA (7th ed.) Citation

Silverman, J. H. (2014). A friendly introduction to number theory (Fourth edition.). Pearson.

Chicago Style (17th ed.) Citation

Silverman, Joseph H. A Friendly Introduction to Number Theory. Fourth edition. Harlow, Essex, England: Pearson, 2014.

MLA (8th ed.) Citation

Silverman, Joseph H. A Friendly Introduction to Number Theory. Fourth edition. Pearson, 2014.

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