Walker, S. (2021). Beyond: The astonishing story of the first human to leave our planet and journey into space (First U.S. edition.). William Collins.
Chicago-Zitierstil (17. Ausg.)Walker, Stephen. Beyond: The Astonishing Story of the First Human to Leave Our Planet and Journey into Space. First U.S. edition. New York, NY: William Collins, 2021.
MLA-Zitierstil (9. Ausg.)Walker, Stephen. Beyond: The Astonishing Story of the First Human to Leave Our Planet and Journey into Space. First U.S. edition. William Collins, 2021.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.