APA (7th ed.) Citation
Jeffreys, H. (1948). Theory of probability (2a ed.). Clarendon Press.
Chicago Style (17th ed.) Citation
Jeffreys, Harold. Theory of Probability. 2a ed. Oxford: Clarendon Press, 1948.
MLA (9th ed.) Citation
Jeffreys, Harold. Theory of Probability. 2a ed. Clarendon Press, 1948.
Warning: These citations may not always be 100% accurate.