APA (7th ed.) Citation

Clarke, J. F. (1977). Pseudonyms. Elm Tree Books.

Chicago Style (17th ed.) Citation

Clarke, Joseph F. Pseudonyms. London: Elm Tree Books, 1977.

MLA (8th ed.) Citation

Clarke, Joseph F. Pseudonyms. Elm Tree Books, 1977.

Warning: These citations may not always be 100% accurate.