Kaku, M. (2019). The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. Penguin Random House Group.
Chicago-referens (17:e uppl.)Kaku, Michio. The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. London: Penguin Random House Group, 2019.
MLA-referens (9:e uppl.)Kaku, Michio. The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. Penguin Random House Group, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.