APA (7th ed.) Citation

Beckmann, V., & Shrader, C. R. (2012). Active galactic nuclei. Wiley-VCH ; John Wiley [distributor].

Chicago Style (17th ed.) Citation

Beckmann, Volker, and Chris R. Shrader. Active Galactic Nuclei. Weinheim : Chichester: Wiley-VCH ; John Wiley [distributor], 2012.

MLA (9th ed.) Citation

Beckmann, Volker, and Chris R. Shrader. Active Galactic Nuclei. Wiley-VCH ; John Wiley [distributor], 2012.