Gregg, E. S. (1924). Rate procedure of steamship conferences. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationGregg, E. Stuart. Rate Procedure of Steamship Conferences. [Washington?]: U.S. Government Printing Office, 1924.
MLA (9th ed.) CitationGregg, E. Stuart. Rate Procedure of Steamship Conferences. U.S. Government Printing Office, 1924.
Warning: These citations may not always be 100% accurate.