APA (7th ed.) Citation

Corral, L. J. (2002). Planetary nebula candidates in a region of M33. Universidad Nacional Autónoma de México.

Chicago Style (17th ed.) Citation

Corral, L. J. Planetary Nebula Candidates in a Region of M33. Universidad Nacional Autónoma de México, 2002.

MLA (9th ed.) Citation

Corral, L. J. Planetary Nebula Candidates in a Region of M33. Universidad Nacional Autónoma de México, 2002.

Warning: These citations may not always be 100% accurate.