APA (7th ed.) Citation

Bartelmann, M., & Schneider, P. (1993). Largescale QSO: Galaxy correlations revisited. Astronomy and astrophysics, 271(2), .

Chicago Style (17th ed.) Citation

Bartelmann, Matthias, and Peter Schneider. "Largescale QSO: Galaxy Correlations Revisited." Astronomy and Astrophysics 271, no. 2 (1993).

MLA (9th ed.) Citation

Bartelmann, Matthias, and Peter Schneider. "Largescale QSO: Galaxy Correlations Revisited." Astronomy and Astrophysics, vol. 271, no. 2, 1993.

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