APA (7th ed.) Citation

Hammond, A. L., Maugh II, T. H., & Metz, W. D. (1973). Energy and the future. American Association for the Advancement of Science.

Chicago Style (17th ed.) Citation

Hammond, Allen L., Thomas H. Maugh II, and William D. Metz. Energy and the Future. Washington, D.C: American Association for the Advancement of Science, 1973.

MLA (9th ed.) Citation

Hammond, Allen L., et al. Energy and the Future. American Association for the Advancement of Science, 1973.