APA (7th ed.) Citation

Feller, W. (1960). An introduction to probability theory and its applications (2nd ed., 5th printing.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Feller, William. An Introduction to Probability Theory and Its Applications. 2nd ed., 5th printing. New York [etc.]: John Wiley & Sons, 1960.

MLA (9th ed.) Citation

Feller, William. An Introduction to Probability Theory and Its Applications. 2nd ed., 5th printing. John Wiley & Sons, 1960.