Cita APA (7th ed.)

Freund, J. E. (1971). Mathematical statistics (2a. ed.). Prentice-Hall Inc.

Cita Chicago (17th ed.)

Freund, John E. Mathematical Statistics. 2a. ed. Englewood Cliffs: Prentice-Hall Inc, 1971.

Cita MLA (9th ed.)

Freund, John E. Mathematical Statistics. 2a. ed. Prentice-Hall Inc, 1971.