APA (7th ed.) Citation

Hoel, P. G. (1954). Introduction to mathematical statistics (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Hoel, Paul Gerhard. Introduction to Mathematical Statistics. 2nd ed. New York: Wiley, 1954.

MLA (9th ed.) Citation

Hoel, Paul Gerhard. Introduction to Mathematical Statistics. 2nd ed. Wiley, 1954.