(1889). Map of Washington showing the distribution of red fir. U.S. Geological Survey.
Style de citation Chicago (17e éd.)Map of Washington Showing the Distribution of Red Fir. Washington, D.C.: U.S. Geological Survey, 1889.
Style de citation MLA (8e éd.)Map of Washington Showing the Distribution of Red Fir. U.S. Geological Survey, 1889.
Attention : ces citations peuvent ne pas être correctes à 100%.