USA Bureau of Plant Quarantine. (1933). Report of the chief of the Bureau of Plant Quarantine. Gov. Print. Off.
Chicago-Zitierstil (17. Ausg.)USA Bureau of Plant Quarantine. Report of the Chief of the Bureau of Plant Quarantine. Washington, DC: Gov. Print. Off, 1933.
MLA-Zitierstil (9. Ausg.)USA Bureau of Plant Quarantine. Report of the Chief of the Bureau of Plant Quarantine. Gov. Print. Off, 1933.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.