APA (7th ed.) Citation

Spoon, W. L. (1907). Sand-clay and burnt-clay roads. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

Spoon, William L. Sand-clay and Burnt-clay Roads. [Washington, D.C.]: U.S. Government Printing Office, 1907.

MLA (9th ed.) Citation

Spoon, William L. Sand-clay and Burnt-clay Roads. U.S. Government Printing Office, 1907.