Cita APA (7a ed.)

Feller, W. (1958). An Introduction to probability theory and its applications (2nd ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Feller, William. An Introduction to Probability Theory and Its Applications. 2nd ed. New York [etc.]: John Wiley & Sons, 1958.

Cita MLA (9a ed.)

Feller, William. An Introduction to Probability Theory and Its Applications. 2nd ed. John Wiley & Sons, 1958.