Cita APA (7a ed.)

(1998). CCD images and long-slit spectroscopy of the ring nebula around θ Mus.

Cita Chicago Style (17a ed.)

CCD Images and Long-slit Spectroscopy of the Ring Nebula Around θ Mus. 1998.

Cita MLA (8a ed.)

CCD Images and Long-slit Spectroscopy of the Ring Nebula Around θ Mus. 1998.