APA引文

United States. Bureau of Reclamation. (1952). Farm unit base map, Columbia Basin Project - Washington. The Bureau.

Chicago Style (17th ed.) Citation

United States. Bureau of Reclamation. Farm Unit Base Map, Columbia Basin Project - Washington. Ephrata, Wash.: The Bureau, 1952.

MLA引文

United States. Bureau of Reclamation. Farm Unit Base Map, Columbia Basin Project - Washington. The Bureau, 1952.

警告：這些引文格式不一定是100％准確.