APA (7th ed.) Citation

Central States Forest Experiment Station. (1956). Forest pest observer. U.S. Central States Forest Experiment Station.

Chicago Style (17th ed.) Citation

Central States Forest Experiment Station. Forest Pest Observer. Columbus, Ohio: U.S. Central States Forest Experiment Station, 1956.

MLA (8th ed.) Citation

Central States Forest Experiment Station. Forest Pest Observer. U.S. Central States Forest Experiment Station, 1956.

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