United States. Bureau of Land Management & Smith, S. J. (1993). Intrigue of the past: A teacher's activity guide for fourth through seventh grades. U.S. Dept. of the Interior, Bureau of Land Management.
Chicago Style (17th ed.) CitationUnited States. Bureau of Land Management and Shelley J. Smith. Intrigue of the Past: A Teacher's Activity Guide for Fourth Through Seventh Grades. [Washington, DC]: U.S. Dept. of the Interior, Bureau of Land Management, 1993.
MLA (9th ed.) CitationUnited States. Bureau of Land Management and Shelley J. Smith. Intrigue of the Past: A Teacher's Activity Guide for Fourth Through Seventh Grades. U.S. Dept. of the Interior, Bureau of Land Management, 1993.
Warning: These citations may not always be 100% accurate.