APA (7th ed.) Citation

Ryan, W. B., Pitman, W. C., & Sotiropoulos, A. (1999). Noah's flood: The new scientific discoveries about the event that changed history. Simon and Schuster.

Chicago Style (17th ed.) Citation

Ryan, William B.F, Walter C. Pitman, and Anastasia Sotiropoulos. Noah's Flood: The New Scientific Discoveries About the Event That Changed History. New York: Simon and Schuster, 1999.

MLA (9th ed.) Citation

Ryan, William B.F, et al. Noah's Flood: The New Scientific Discoveries About the Event That Changed History. Simon and Schuster, 1999.