APA (7th ed.) Citation

Schwartz, R. L. A., Foy, B. D. C., & Phoenix, T. C. (2012). Einführung in Perl (6th edition.). O'Reilly Verlag.

Chicago Style (17th ed.) Citation

Schwartz, Randal L Author, Brian D Contributor Foy, and Tom Contributor Phoenix. Einführung in Perl. 6th edition. [Place of publication not identified]: O'Reilly Verlag, 2012.

MLA (9th ed.) Citation

Schwartz, Randal L Author, et al. Einführung in Perl. 6th edition. O'Reilly Verlag, 2012.