APA (7th ed.) Citation

Lang, A. (1906). Letters on literature (A new ed.). Longmans, Green, & Co..

Chicago Style (17th ed.) Citation

Lang, Andrew. Letters on Literature. A new ed. London, New York: Longmans, Green, & Co., 1906.

MLA (9th ed.) Citation

Lang, Andrew. Letters on Literature. A new ed. Longmans, Green, & Co., 1906.