APA引文

(1899). Map of Washington showing the distribution of pine. U. S. Geological Survey.

Chicago Style (17th ed.) Citation

Map of Washington Showing the Distribution of Pine. Wasington, D.C.: U. S. Geological Survey, 1899.

MLA引文

Map of Washington Showing the Distribution of Pine. U. S. Geological Survey, 1899.

警告：這些引文格式不一定是100％准確.