Butler, J. F., Gregg, E. S., Miller, D. P., & Smith, H. B. A. (1925). Freight forwarding in U.S. and abroad. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationButler, John F., E. Stuart Gregg, Douglas Phillips Miller, and H. B. Allin Smith. Freight Forwarding in U.S. and Abroad. [Washington?]: U.S. Government Printing Office, 1925.
MLA (9th ed.) CitationButler, John F., et al. Freight Forwarding in U.S. and Abroad. U.S. Government Printing Office, 1925.
Warning: These citations may not always be 100% accurate.