APA (7th ed.) Citation

Michels, J. W., Atzeni, E., Tsong, I. S. T., & Smith, G. A. (1984). Obsidian hydration dating in Sardinia.

Chicago Style (17th ed.) Citation

Michels, J. W., E. Atzeni, I. S. T. Tsong, and G. A. Smith. Obsidian Hydration Dating in Sardinia. 1984.

MLA (9th ed.) Citation

Michels, J. W., et al. Obsidian Hydration Dating in Sardinia. 1984.