Kaku, M. (2019). The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. Penguin Random House Group.
芝加哥风格引文Kaku, Michio. The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. London: Penguin Random House Group, 2019.
MLA引文Kaku, Michio. The Future of Humanity: Terraforming Mars, Interstellar Travel, Immortality, and Our Destiny Beyond Earth. Penguin Random House Group, 2019.
警告：这些引文格式不一定是100％准确.