APA (7th ed.) Citation

Richards, I. A. (1955). Speculative instruments (1. publ.). Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Richards, Ivor A. Speculative Instruments. 1. publ. London: Routledge & Kegan Paul, 1955.

MLA (9th ed.) Citation

Richards, Ivor A. Speculative Instruments. 1. publ. Routledge & Kegan Paul, 1955.

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