APA (7th ed.) Citation

Jeffreys, H. (1948). Theory of probability (2a. ed.). Clarendon.

Chicago Style (17th ed.) Citation

Jeffreys, Harold. Theory of Probability. 2a. ed. Oxford: Clarendon, 1948.

MLA (9th ed.) Citation

Jeffreys, Harold. Theory of Probability. 2a. ed. Clarendon, 1948.

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