Cita APA (7a ed.)

Westergaard, H. (1969). Contributions to the history of statistics. Kelley.

Cita Chicago Style (17a ed.)

Westergaard, Harald. Contributions to the History of Statistics. New York: Kelley, 1969.

Cita MLA (9a ed.)

Westergaard, Harald. Contributions to the History of Statistics. Kelley, 1969.