Ehlers, V. M., & Steel, E. W. (1950). Municipal and rural sanitation. MacGraw-Hill.
Chicago Style (17th ed.) CitationEhlers, Victor Marcus, and Ernest William Steel. Municipal and Rural Sanitation. New York: MacGraw-Hill, 1950.
MLA引文Ehlers, Victor Marcus, and Ernest William Steel. Municipal and Rural Sanitation. MacGraw-Hill, 1950.
警告:這些引文格式不一定是100%准確.