APA
Reukema D. L., . (1972). Twenty-one-year development of Douglas-fir stands repeatedly thinned at varying intervals. : .
Chicago
Reukema Donald L, . 1972. Twenty-one-year development of Douglas-fir stands repeatedly thinned at varying intervals. : .
Harvard
Reukema D. L., . (1972). Twenty-one-year development of Douglas-fir stands repeatedly thinned at varying intervals. : .
MLA
Reukema Donald L, . Twenty-one-year development of Douglas-fir stands repeatedly thinned at varying intervals. : . 1972.