Cita APA (7a ed.)

Paron, S., & Weidmann, W. The Ap 2-1 nebula and the surrounding molecular cloud G35.2 - 0.74: An active star-forming region.

Cita Chicago Style (17a ed.)

Paron, S., y W. Weidmann. The Ap 2-1 Nebula and the Surrounding Molecular Cloud G35.2 - 0.74: An Active Star-forming Region.

Cita MLA (8a ed.)

Paron, S., y W. Weidmann. The Ap 2-1 Nebula and the Surrounding Molecular Cloud G35.2 - 0.74: An Active Star-forming Region.