记录引文
APA引文
Estados Unidos Geological Survey. (1929). Map of the Eastern part of the northward extension of the sheridan coal field, rosebud and big horn counties, Montana. U. S. Geological Survey.
Successfully copied to clipboard
Copying to clipboard failed
芝加哥风格引文
Estados Unidos Geological Survey. Map of the Eastern Part of the Northward Extension of the Sheridan Coal Field, Rosebud and Big Horn Counties, Montana. U. S. Geological Survey, 1929.
Successfully copied to clipboard
Copying to clipboard failed
MLA引文
Estados Unidos Geological Survey. Map of the Eastern Part of the Northward Extension of the Sheridan Coal Field, Rosebud and Big Horn Counties, Montana. U. S. Geological Survey, 1929.
Successfully copied to clipboard
Copying to clipboard failed
警告：这些引文格式不一定是100％准确.