Cita APA (7a ed.)

Hoel, P. G., Hoel, P. G., Port, S. C., Stone, C. J., & Stone, C. J. (1971). Introduction to probability theory. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Hoel, Paul Gerhard, Paul Gerhard Hoel, Sidney C. Port, Charles J. Stone, y Charles Joel Stone. Introduction to Probability Theory. Boston: Houghton Mifflin, 1971.

Cita MLA (8a ed.)

Hoel, Paul Gerhard, et al. Introduction to Probability Theory. Houghton Mifflin, 1971.