APA (7th ed.) Citation

Weir, J. R., & Hubert, E. E. (1918). Forest disease surveys. Government Printing Office.

Chicago Style (17th ed.) Citation

Weir, James R., and Ernest E. Hubert. Forest Disease Surveys. Washington, D. C: Government Printing Office, 1918.

MLA (9th ed.) Citation

Weir, James R., and Ernest E. Hubert. Forest Disease Surveys. Government Printing Office, 1918.