APA (7th ed.) Citation

Appenzeller, I., & Fricke, K. J. (1971). Hydrogen burning supermassive stars. Astronomy & astrophysics, 12, .

Chicago Style (17th ed.) Citation

Appenzeller, Immo, and Klaus J. Fricke. "Hydrogen Burning Supermassive Stars." Astronomy & Astrophysics 12 (1971).

MLA (9th ed.) Citation

Appenzeller, Immo, and Klaus J. Fricke. "Hydrogen Burning Supermassive Stars." Astronomy & Astrophysics, vol. 12, 1971.

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