Cita APA (7a ed.)

Freund, J. E., Williams, F. J., & Perles, B. M. (1993). Elementary business statistics: The modern approach (6th ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Freund, John E., Frank Jefferson Williams, y Benjamin M. Perles. Elementary Business Statistics: The Modern Approach. 6th ed. Englewood Cliffs, N.J.: Prentice Hall, 1993.

Cita MLA (9a ed.)

Freund, John E., et al. Elementary Business Statistics: The Modern Approach. 6th ed. Prentice Hall, 1993.