APA (7th ed.) Citation

Wagner, S. (1997). Variability of blazars. Relativistic jets in AGNs.

Chicago Style (17th ed.) Citation

Wagner, Stefan. "Variability of Blazars." Relativistic Jets in AGNs 1997.

MLA (9th ed.) Citation

Wagner, Stefan. "Variability of Blazars." Relativistic Jets in AGNs, 1997.

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