APA-viite (7. p.)

Hughes, T., & Chadwick, M. G. (1927). The plurality of worlds and other essays. Longmans, Green and Co., ltd..

Chicago-viite (17. p.)

Hughes, Thomas, ja M. G. Chadwick. The Plurality of Worlds and Other Essays. New York, London [etc.]: Longmans, Green and Co., ltd., 1927.

MLA-viite (8. p.)

Hughes, Thomas, ja M. G. Chadwick. The Plurality of Worlds and Other Essays. Longmans, Green and Co., ltd., 1927.