Pennsylvania State Planning Board. (1937). Drainage basin study of Pennsylvania. The Board.
Chicago Style (17th ed.) CitationPennsylvania State Planning Board. Drainage Basin Study of Pennsylvania. Harrisburg, Pa.: The Board, 1937.
MLA (9th ed.) CitationPennsylvania State Planning Board. Drainage Basin Study of Pennsylvania. The Board, 1937.
Warning: These citations may not always be 100% accurate.