Adams, O. S. (1919). A study of map projections in general. Government Printing Office.
芝加哥风格引文Adams, Oscar Sherman. A Study of Map Projections in General. Washington: Government Printing Office, 1919.
MLA引文Adams, Oscar Sherman. A Study of Map Projections in General. Government Printing Office, 1919.
警告：这些引文格式不一定是100％准确.