Beckey, F. (2003). Range of glaciers: The exploration and survey of the northern Cascade Range. Oregon Historical Society Press.
Style de citation Chicago (17e éd.)Beckey, Fred. Range of Glaciers: The Exploration and Survey of the Northern Cascade Range. Portland, Or.: Oregon Historical Society Press, 2003.
Style de citation MLA (8e éd.)Beckey, Fred. Range of Glaciers: The Exploration and Survey of the Northern Cascade Range. Oregon Historical Society Press, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.