APA Citation

 Hassler, V. (2001).  Security fundamentals for E-commerce.  Artech House.

Chicago Style Citation

 Hassler, Vesna.  Security Fundamentals for E-commerce.  Artech House, 2001.

MLA Citation

 Hassler, Vesna.  Security Fundamentals for E-commerce.  Artech House, 2001.

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