APA

Fiddler G. O., E.U.A. Forest Service. Pacific Southwest Forest and Range Experiment Station, . (1989). Thinning decreases mortality and increases growth of Ponderosa pine in northeastern California. Berkeley, Ca: Forest Service Picific Southwest Forest and Range Experiment Station.

Chicago

Fiddler Gary O, E.U.A. Forest Service. Pacific Southwest Forest and Range Experiment Station, . 1989. Thinning decreases mortality and increases growth of Ponderosa pine in northeastern California. Berkeley, Ca: Forest Service Picific Southwest Forest and Range Experiment Station.

Harvard

Fiddler G. O., E.U.A. Forest Service. Pacific Southwest Forest and Range Experiment Station, . (1989). Thinning decreases mortality and increases growth of Ponderosa pine in northeastern California. Berkeley, Ca: Forest Service Picific Southwest Forest and Range Experiment Station.

MLA

Fiddler Gary O, E.U.A. Forest Service. Pacific Southwest Forest and Range Experiment Station, . Thinning decreases mortality and increases growth of Ponderosa pine in northeastern California. Berkeley, Ca: Forest Service Picific Southwest Forest and Range Experiment Station. 1989.