APA ציטוט

Perry, C. A., Aldridge, B. N., & Ross, H. C. (2001). Summary of significant floods in the United States, Puerto Rico, and the Virgin Islands, 1970 through 1989. U.S. G.P.O. For sale by the USGS Map Distribution.

Chicago Style (17th ed.) Citation

Perry, Charles A., B. N. Aldridge, and H. C. Ross. Summary of Significant Floods in the United States, Puerto Rico, and the Virgin Islands, 1970 Through 1989. Washington, Denver, CO: U.S. G.P.O. For sale by the USGS Map Distribution, 2001.

ציטוט MLA

Perry, Charles A., et al. Summary of Significant Floods in the United States, Puerto Rico, and the Virgin Islands, 1970 Through 1989. U.S. G.P.O. For sale by the USGS Map Distribution, 2001.