APA Style

Lemay, L. (1999). SAMS Teach Yourself Perl in 21 Days (1st Edition). Indianapolis, IN, USA. (SAMS/ : SAMS Publishing (an imprint of Pearson Education).

MLA Style

Lemay, Laura. "SAMS Teach Yourself Perl in 21 Days". 1st Edition Indianapolis, IN, USA. (SAMS/ : SAMS Publishing (an imprint of Pearson Education), 1999. Text.