@incollection{E910001-043,
  author 	 = {William Butler Yeats},
  title 	 = {The Coming of Wisdom with Time},
  editor 	 = {William Butler Yeats},
  booktitle 	 = {Responsibilities and other Poems},
  publisher 	 = {The Macmillan Company},
  address 	 = {New York},
  date 	 = {1916},
  pages 	 = {102}
}