American Psychological Association 6th edition

Lutz, M., & Ascher, D. [ca. 2007]. Einführung in Python : Title from resource description page (viewed April 16, 2009). In Safari Books Online (2. Auflage) [Cd]. Köln: O’Reilly Verlag.

ISO-690 (author-date, English)

LUTZ, Mark and ASCHER, David, 2007. Einführung in Python : Title from resource description page (viewed April 16, 2009). 2. Auflage. Köln: O’Reilly Verlag. ISBN 9783897214880.

Modern Language Association 9th edition

Lutz, M., and D. Ascher. “Einführung in Python : Title from resource description page (viewed April 16, 2009)”. Safari Books Online, 2. Auflage, cd, O’Reilly Verlag, 2007.

Mohr Siebeck - Recht (Deutsch - Österreich)

Lutz, Mark/Ascher, David: Einführung in Python : Title from resource description page (viewed April 16, 2009), 2. Auflage. ed. Köln 2007.

Emerald - Harvard

Lutz, M. and Ascher, D. (2007), Einführung in Python : Title from resource description page (viewed April 16, 2009), Safari Books Online, 2. Auflage., Vol. , O’Reilly Verlag, Köln.

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