APA (7th ed.) Citation

United States. Division of Soil Survey. (1950). Schematic soil association map of Alaska. Division of Soil Survey.

Chicago Style (17th ed.) Citation

United States. Division of Soil Survey. Schematic Soil Association Map of Alaska. [Washington, D.C.]: Division of Soil Survey, 1950.

MLA (9th ed.) Citation

United States. Division of Soil Survey. Schematic Soil Association Map of Alaska. Division of Soil Survey, 1950.

Warning: These citations may not always be 100% accurate.