APA (7th ed.) Citation

Keynes, J. M. (1973). A treatise on probability ([New] ed.). MacMillan for The Royal Economic Society.

Chicago Style (17th ed.) Citation

Keynes, John Maynard. A Treatise on Probability. [New] ed. London [etc.]: MacMillan for The Royal Economic Society, 1973.

MLA (9th ed.) Citation

Keynes, John Maynard. A Treatise on Probability. [New] ed. MacMillan for The Royal Economic Society, 1973.

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