United States. Bureau of Reclamation. (1938). Boulder Canyon project: Final reports. the Bureau.
芝加哥风格引文United States. Bureau of Reclamation. Boulder Canyon Project: Final Reports. Denver, Colo.: the Bureau, 1938.
MLA引文United States. Bureau of Reclamation. Boulder Canyon Project: Final Reports. the Bureau, 1938.
警告：这些引文格式不一定是100％准确.