Cita APA (7th ed.)

Cramér, H. (1962). Random variables and probability distributions (2a. ed.). Cambridge University.

Cita Chicago (17th ed.)

Cramér, Harald. Random Variables and Probability Distributions. 2a. ed. Nueva York: Cambridge University, 1962.

Cita MLA (9th ed.)

Cramér, Harald. Random Variables and Probability Distributions. 2a. ed. Cambridge University, 1962.