APA

Hardy D. W., Richman & Walker. (2009). Applied algebra : codes, ciphers, and discrete algorithms [2nd ed.]. Boca Raton: CRC Press.

Chicago

Hardy Darel W, Richman and Walker. 2009. Applied algebra : codes, ciphers, and discrete algorithms [2nd ed.]. Boca Raton: CRC Press.

Harvard

Hardy D. W., Richman and Walker. (2009). Applied algebra : codes, ciphers, and discrete algorithms [2nd ed.]. Boca Raton: CRC Press.

MLA

Hardy Darel W, Richman and Walker. Applied algebra : codes, ciphers, and discrete algorithms [2nd ed.]. Boca Raton: CRC Press. 2009.