APA (7th ed.) Citation

Simonson, W. H., & Royall, R. E. (1934). Roadside improvement. United States. Dept. of Agriculture. Miscellaneous Publications, 191, 1.

Chicago Style (17th ed.) Citation

Simonson, W. H., and R. E. Royall. "Roadside Improvement." United States. Dept. of Agriculture. Miscellaneous Publications 191 (1934): 1.

MLA (9th ed.) Citation

Simonson, W. H., and R. E. Royall. "Roadside Improvement." United States. Dept. of Agriculture. Miscellaneous Publications, vol. 191, 1934, p. 1.