APA (7th ed.) Citation

Feller, W. (1968). An introduction to probability theory and its applications (3rd ed.). Wiley.

Chicago Style (17th ed.) Citation

Feller, William. An Introduction to Probability Theory and Its Applications. 3rd ed. New York: Wiley, 1968.

MLA (9th ed.) Citation

Feller, William. An Introduction to Probability Theory and Its Applications. 3rd ed. Wiley, 1968.

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