Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationWilliams, J. R. (1955). Observations of freeze-up and break-up of the Yukon River at Beaver, Alaska. - Cambridge.
Chicago Citation Edition CitationWilliams, John R. Observations of Freeze-up and Break-up of the Yukon River at Beaver, Alaska. - Cambridge. 1955.
MLA Citation Edition CitationWilliams, John R. Observations of Freeze-up and Break-up of the Yukon River at Beaver, Alaska. - Cambridge. 1955.