Cita APA (7a ed.)

(2013). An X-ray study of the supernova remnant G20.0-0.2 and its surroundings.

Cita Chicago Style (17a ed.)

An X-ray Study of the Supernova Remnant G20.0-0.2 and Its Surroundings. 2013.

Cita MLA (8a ed.)

An X-ray Study of the Supernova Remnant G20.0-0.2 and Its Surroundings. 2013.