Citazione Stile APA (7a Edizione)

Hoel, P. G., & Port, S. (1991). Introduction to probability theory. Universal Books Stall.

Citazione stile Chigago Style (17a edizione)

Hoel, Paul G., e Sidney Port. Introduction to Probability Theory. New Delhi: Universal Books Stall, 1991.

Citatione MLA (9a ed.)

Hoel, Paul G., e Sidney Port. Introduction to Probability Theory. Universal Books Stall, 1991.