Schmiedeler, E. (1937). Agriculture and International Life. Washington, D.C..
Chicago Style (17th ed.) CitationSchmiedeler, Edgar. Agriculture and International Life. Washington, D.C., 1937.
MLA引文Schmiedeler, Edgar. Agriculture and International Life. Washington, D.C., 1937.
警告:这些引文格式不一定是100%准确.