APA (7th ed.) Citation

Wagner, S., Heidt, J., & Quirrenbach, A. (1992). Radio- and optical variability in 0716+714. Physics of active galactic nuclei.

Chicago Style (17th ed.) Citation

Wagner, Stefan, Jochen Heidt, and Andreas Quirrenbach. "Radio- and Optical Variability in 0716+714." Physics of Active Galactic Nuclei 1992.

MLA (9th ed.) Citation

Wagner, Stefan, et al. "Radio- and Optical Variability in 0716+714." Physics of Active Galactic Nuclei, 1992.