Zack, A. (1976). Preserving Virginia's barrier islands. [U.S. Dept. of Agriculture, Soil Conservation Service].
Chicago Style (17th ed.) CitationZack, Anne. Preserving Virginia's Barrier Islands. [Washington]: [U.S. Dept. of Agriculture, Soil Conservation Service], 1976.
MLA (9th ed.) CitationZack, Anne. Preserving Virginia's Barrier Islands. [U.S. Dept. of Agriculture, Soil Conservation Service], 1976.
Warning: These citations may not always be 100% accurate.