APA (7th ed.) Citation

Gallo, L. C. (2004). X-ray properties of Narrow-line Seyfert 1 galaxies.

Chicago Style (17th ed.) Citation

Gallo, Luigi C. X-ray Properties of Narrow-line Seyfert 1 Galaxies. 2004.

MLA (9th ed.) Citation

Gallo, Luigi C. X-ray Properties of Narrow-line Seyfert 1 Galaxies. 2004.

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