Cita APA (7th ed.)

Cramer, H. (1955). Elements of probability theory. John Wiley.

Cita Chicago (17th ed.)

Cramer, Harald. Elements of Probability Theory. New York: John Wiley, 1955.

Cita MLA (9th ed.)

Cramer, Harald. Elements of Probability Theory. John Wiley, 1955.

Atenció: Aquestes cites poden no estar 100% correctes.