APA (7th ed.) Citation

North Central Forest Experiment Station (Saint Paul, Minn.), & Burde, E. L. (1988). Walnut notes. U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station.

Chicago Style (17th ed.) Citation

North Central Forest Experiment Station (Saint Paul, Minn.), and E. Lucy Burde. Walnut Notes. St. Paul, Minn.: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988.

MLA (9th ed.) Citation

North Central Forest Experiment Station (Saint Paul, Minn.), and E. Lucy Burde. Walnut Notes. U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, 1988.