APA-Zitierstil (7. Ausg.)

Randall, L. (2011). Knocking on heaven's door: How physics and scientific thinking illuminate the universe and the modern world. Ecco.

Chicago-Zitierstil (17. Ausg.)

Randall, Lisa. Knocking on Heaven's Door: How Physics and Scientific Thinking Illuminate the Universe and the Modern World. New York: Ecco, 2011.

MLA-Zitierstil (9. Ausg.)

Randall, Lisa. Knocking on Heaven's Door: How Physics and Scientific Thinking Illuminate the Universe and the Modern World. Ecco, 2011.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.