Hewett, D. F., Knopf, A., Calkins, F. C., & Diggles, M. F. (1998). The U.S. Geological Survey in the early 1900s: Reminiscences of D. Foster Hewett, Adolph Knopf, and Frank C. Calkins. The Survey.
Chicago Style (17th ed.) CitationHewett, D. F., Adolph Knopf, Frank C. Calkins, and M. F. Diggles. The U.S. Geological Survey in the Early 1900s: Reminiscences of D. Foster Hewett, Adolph Knopf, and Frank C. Calkins. [Menlo Park, Calif.]: The Survey, 1998.
MLA (9th ed.) CitationHewett, D. F., et al. The U.S. Geological Survey in the Early 1900s: Reminiscences of D. Foster Hewett, Adolph Knopf, and Frank C. Calkins. The Survey, 1998.
Warning: These citations may not always be 100% accurate.