(1916). Circular Under the Supervision of States Relations Service, Office of Experiment Stations, U.S. Department of Agriculture: Alaska Agricultural Experiment Stations. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Circular Under the Supervision of States Relations Service, Office of Experiment Stations, U.S. Department of Agriculture: Alaska Agricultural Experiment Stations. Washington: Government Printing Office, 1916.
MLA-Zitierstil (9. Ausg.)Circular Under the Supervision of States Relations Service, Office of Experiment Stations, U.S. Department of Agriculture: Alaska Agricultural Experiment Stations. Government Printing Office, 1916.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.