Forest Products Laboratory (U.S.) & Paul, B. H. (1931). Pruning young loblolly pine trees makes timber growing more profitable. [publisher not identified].
Chicago Style (17th ed.) CitationForest Products Laboratory (U.S.) and Benson H. Paul. Pruning Young Loblolly Pine Trees Makes Timber Growing More Profitable. Washington: [publisher not identified], 1931.
MLA (9th ed.) CitationForest Products Laboratory (U.S.) and Benson H. Paul. Pruning Young Loblolly Pine Trees Makes Timber Growing More Profitable. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.