APA (7th ed.) Citation

Wambsganß, J. (1999). The gravitationally lensed quasar Q2237+0305 in X-rays: ROSAT/HRI detection of the "Einstein Cross". Astronomy and astrophysics, 346, .

Chicago Style (17th ed.) Citation

Wambsganß, Joachim. "The Gravitationally Lensed Quasar Q2237+0305 in X-rays: ROSAT/HRI Detection of the "Einstein Cross"." Astronomy and Astrophysics 346 (1999).

MLA (9th ed.) Citation

Wambsganß, Joachim. "The Gravitationally Lensed Quasar Q2237+0305 in X-rays: ROSAT/HRI Detection of the "Einstein Cross"." Astronomy and Astrophysics, vol. 346, 1999.