Cita APA (7th ed.)

Jeffreys, H. (1998). Theory of probability (3rd ed.). Clarendon.

Cita Chicago (17th ed.)

Jeffreys, Harold. Theory of Probability. 3rd ed. Oxford: Clarendon, 1998.

Cita MLA (9th ed.)

Jeffreys, Harold. Theory of Probability. 3rd ed. Clarendon, 1998.