Cita APA (7a ed.)

USDA. Soil Conservation Service. (1966). Soil survey of grand traverse county, Michigan. [editor no identificado].

Cita Chicago Style (17a ed.)

USDA. Soil Conservation Service. Soil Survey of Grand Traverse County, Michigan. [Lugar de publicación no identificado]: [editor no identificado], 1966.

Cita MLA (8a ed.)

USDA. Soil Conservation Service. Soil Survey of Grand Traverse County, Michigan. [editor no identificado], 1966.