APA (7th ed.) Citation

McCabe, J. (1934). The riddle of the universe to-day (1. publ.). Watts.

Chicago Style (17th ed.) Citation

McCabe, Joseph. The Riddle of the Universe To-day. 1. publ. London: Watts, 1934.

MLA (9th ed.) Citation

McCabe, Joseph. The Riddle of the Universe To-day. 1. publ. Watts, 1934.

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