APA (7th ed.) Citation

Nilsson, K., Heidt, J., & Wagner, S. (1999). Discovery of a blue arc near the BL Lacertae object RGB 1745+398. Astrophysics with the NOT [Nordic Optical Telescope].

Chicago Style (17th ed.) Citation

Nilsson, Kari, Jochen Heidt, and Stefan Wagner. "Discovery of a Blue Arc Near the BL Lacertae Object RGB 1745+398." Astrophysics with the NOT [Nordic Optical Telescope] 1999.

MLA (9th ed.) Citation

Nilsson, Kari, et al. "Discovery of a Blue Arc Near the BL Lacertae Object RGB 1745+398." Astrophysics with the NOT [Nordic Optical Telescope], 1999.