Porter, D. H., Jr. (1948). Compression tests on round, structural steel tubes as pin-end columns. [publisher not identified].
Chicago Style (17th ed.) CitationPorter, David Herbert, Jr. Compression Tests on Round, Structural Steel Tubes as Pin-end Columns. [College Station, Tex.]: [publisher not identified], 1948.
MLA (9th ed.) CitationPorter, David Herbert, Jr. Compression Tests on Round, Structural Steel Tubes as Pin-end Columns. [publisher not identified], 1948.
Warning: These citations may not always be 100% accurate.