Gulick, C. A. (1924). Labor policy of the United States steel corporation. Columbia university;[etc., etc.].
Chicago Style (17th ed.) CitationGulick, Charles Adams. Labor Policy of the United States Steel Corporation. New York: Columbia university;[etc., etc.], 1924.
MLA (9th ed.) CitationGulick, Charles Adams. Labor Policy of the United States Steel Corporation. Columbia university;[etc., etc.], 1924.
Warning: These citations may not always be 100% accurate.