Cita APA (7a ed.)

Romero, G. E., Cellone, S. A., & Combi, J. A. (2000). Extreme intranight variability in the BL Lacertae object AO 0235+164.

Cita Chicago Style (17a ed.)

Romero, Gustavo Esteban, Sergio Aldo Cellone, y Jorge Ariel Combi. Extreme Intranight Variability in the BL Lacertae Object AO 0235+164. 2000.

Cita MLA (8a ed.)

Romero, Gustavo Esteban, et al. Extreme Intranight Variability in the BL Lacertae Object AO 0235+164. 2000.