APA (7th ed.) Citation

Blank-Edelman, D. N., & Blank-Edelman, D. N. A. (2000). Perl for system administration. O'Reilly.

Chicago Style (17th ed.) Citation

Blank-Edelman, David N., and David N. Author Blank-Edelman. Perl for System Administration. Cambridge, Mass.: O'Reilly, 2000.

MLA (9th ed.) Citation

Blank-Edelman, David N., and David N. Author Blank-Edelman. Perl for System Administration. O'Reilly, 2000.