APA引文

Montana Bureau of Mines and Geology, Mining Association of Montana, & Mineral resources survey. (1940). Directory of Montana mining properties. Montana School of Mines.

Chicago Style (17th ed.) Citation

Montana Bureau of Mines and Geology, Mining Association of Montana, and Mineral resources survey. Directory of Montana Mining Properties. Butte, Mont.: Montana School of Mines, 1940.

MLA引文

Montana Bureau of Mines and Geology, et al. Directory of Montana Mining Properties. Montana School of Mines, 1940.

警告：這些引文格式不一定是100％准確.