APA (7th ed.) Citation

Gilbert, H., & Smith, D. G. (1997). Gravity, the glue of the universe: History and activities. Teacher Ideas Press.

Chicago Style (17th ed.) Citation

Gilbert, Harry, and Diana Gilbert Smith. Gravity, the Glue of the Universe: History and Activities. Englewood, Colo.: Teacher Ideas Press, 1997.

MLA (8th ed.) Citation

Gilbert, Harry, and Diana Gilbert Smith. Gravity, the Glue of the Universe: History and Activities. Teacher Ideas Press, 1997.

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