APA (7th ed.) Citation

Hard, J. S., Torgersen, T. R., & Pacific Northwest Forest and Range Experiment Station. (1975). Field and laboratory techniques for evaluating hemlock sawfly infestations. Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Hard, John S., Torolf R. Torgersen, and Pacific Northwest Forest and Range Experiment Station. Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations. Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975.

MLA (8th ed.) Citation

Hard, John S., et al. Field and Laboratory Techniques for Evaluating Hemlock Sawfly Infestations. Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1975.

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