APA (7th ed.) Citation

International Field Institute, American Geological Institute, & Freeman, T. J. (1971). Tenth International Field Institute, Spain, July 12 - August 20, 1971. American Geological Institute.

Chicago Style (17th ed.) Citation

International Field Institute, American Geological Institute, and Thomas Jewell Freeman. Tenth International Field Institute, Spain, July 12 - August 20, 1971. Washington, D. C.: American Geological Institute, 1971.

MLA (9th ed.) Citation

International Field Institute, et al. Tenth International Field Institute, Spain, July 12 - August 20, 1971. American Geological Institute, 1971.

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