APA (7th ed.) Citation

Heidt, J., Appenzeller, I., & Noll, S. (2004). The QSO Q0103-260 (z = 3.365) in the FORS Deep Field. Coevolution of black holes and galaxies.

Chicago Style (17th ed.) Citation

Heidt, Jochen, Immo Appenzeller, and Stefan Noll. "The QSO Q0103-260 (z = 3.365) in the FORS Deep Field." Coevolution of Black Holes and Galaxies 2004.

MLA (9th ed.) Citation

Heidt, Jochen, et al. "The QSO Q0103-260 (z = 3.365) in the FORS Deep Field." Coevolution of Black Holes and Galaxies, 2004.

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