APA (7th ed.) Citation

Walsh, N. (1999). Learning Perl/Tk. O'Reilly.

Chicago Style (17th ed.) Citation

Walsh, Nancy. Learning Perl/Tk. Beijing: O'Reilly, 1999.

MLA (8th ed.) Citation

Walsh, Nancy. Learning Perl/Tk. O'Reilly, 1999.

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