Cita APA

Hoel, P. G. 1., & Hoel, P. G. 1. (1994). Introduction to probability theory. San José, C.R.: [editor no identificado].

Citación estilo Chicago

Hoel, Paul Gerhard 1905, y Paul Gerhard 1905 Hoel. Introduction to Probability Theory. San José, C.R.: [editor no identificado], 1994.

Cita MLA

Hoel, Paul Gerhard 1905, y Paul Gerhard 1905 Hoel. Introduction to Probability Theory. San José, C.R.: [editor no identificado], 1994.