APA (7th ed.) Citation

Time-Life Books. (1990). Workings of the universe. Time-Life Books.

Chicago Style (17th ed.) Citation

Time-Life Books. Workings of the Universe. Alexandria, VA: Time-Life Books, 1990.

MLA (8th ed.) Citation

Time-Life Books. Workings of the Universe. Time-Life Books, 1990.

Warning: These citations may not always be 100% accurate.