Cita APA (7a ed.)

Kiehlmann, S., de la Parra, P. V., Sullivan, A. G., Synani, A., Liodakis, I., Mróz, P., . . . Zensus, J. A. (2024). PKS 2131-021 -- Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary.

Cita Chicago Style (17a ed.)

Kiehlmann, S., et al. PKS 2131-021 -- Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary. 2024.

Cita MLA (9a ed.)

Kiehlmann, S., et al. PKS 2131-021 -- Discovery of Strong Coherent Sinusoidal Variations from Radio to Optical Frequencies: Compelling Evidence for a Blazar Supermassive Black Hole Binary. 2024.