Cita APA (7th ed.)

Richardson, C. (1935). An introduction to statistical analysis. Harcourt, Brace.

Cita Chicago (17th ed.)

Richardson, C.H. An Introduction to Statistical Analysis. New York: Harcourt, Brace, 1935.

Cita MLA (9th ed.)

Richardson, C.H. An Introduction to Statistical Analysis. Harcourt, Brace, 1935.