APA (7th ed.) Citation

Barbá, R., & Grebel, E. K. (1999). HST/NICMOS survey in the 30 doradus nebular filaments. New views of the magellanic clouds.

Chicago Style (17th ed.) Citation

Barbá, Rodolfo, and Eva K. Grebel. "HST/NICMOS Survey in the 30 Doradus Nebular Filaments." New Views of the Magellanic Clouds 1999.

MLA (9th ed.) Citation

Barbá, Rodolfo, and Eva K. Grebel. "HST/NICMOS Survey in the 30 Doradus Nebular Filaments." New Views of the Magellanic Clouds, 1999.

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