Cita APA (7a ed.)

Petriella, A., Paron, S., & Giacani, E. An X-ray study of the supernova remnant G20.0-0.2 and its surroundings.

Cita Chicago Style (17a ed.)

Petriella, A., S.A Paron, y E.B Giacani. An X-ray Study of the Supernova Remnant G20.0-0.2 and Its Surroundings.

Cita MLA (8a ed.)

Petriella, A., et al. An X-ray Study of the Supernova Remnant G20.0-0.2 and Its Surroundings.