U.S. Coast and Geodetic Survey, Heck, N. H., Wood, H. O., & Allen, M. W. (1938). Earthquake history of the United States. U.S. Govt. Print. Off..
Chicago Style (17th ed.) CitationU.S. Coast and Geodetic Survey, N. H. Heck, Harry O. Wood, and Maxwell W. Allen. Earthquake History of the United States. Washington: U.S. Govt. Print. Off., 1938.
MLA引文U.S. Coast and Geodetic Survey, et al. Earthquake History of the United States. U.S. Govt. Print. Off., 1938.
警告:這些引文格式不一定是100%准確.