APA (7th ed.) Citation

United States. National Park Service. (1992). Sleeping Bear Dunes National Lakeshore: Junior ranger workbook. National Park Service, Dept. of the Interior.

Chicago Style (17th ed.) Citation

United States. National Park Service. Sleeping Bear Dunes National Lakeshore: Junior Ranger Workbook. [Washington, D.C.?]: National Park Service, Dept. of the Interior, 1992.

MLA (9th ed.) Citation

United States. National Park Service. Sleeping Bear Dunes National Lakeshore: Junior Ranger Workbook. National Park Service, Dept. of the Interior, 1992.