APA引文

Survey, U. S. G. (1977). Ground-water levels in the United States, 1974: Southeastern states. Washington : United States Government Printing Office.

Chicago Style (17th ed.) Citation

Survey, United States. Geological. Ground-water Levels in the United States, 1974: Southeastern States. Washington : United States Government Printing Office, 1977.

MLA引文

Survey, United States. Geological. Ground-water Levels in the United States, 1974: Southeastern States. Washington : United States Government Printing Office, 1977.

警告：這些引文格式不一定是100％准確.