APA (7th ed.) Citation

Feller, W. (1968). An introduction to probability theory and its applications (Third edition.). John Wiley & Sons.

Chicago Style (17th ed.) Citation

Feller, William. An Introduction to Probability Theory and Its Applications. Third edition. New York: John Wiley & Sons, 1968.

MLA (9th ed.) Citation

Feller, William. An Introduction to Probability Theory and Its Applications. Third edition. John Wiley & Sons, 1968.

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