Cita APA (7th ed.)

Crum, W. L., & Patton, A. C. (1925). An introduction to the methods of economic statistics. A. W. Shaw.

Cita Chicago (17th ed.)

Crum, William Leonard, i Alson Currie Patton. An Introduction to the Methods of Economic Statistics. Chicago: A. W. Shaw, 1925.

Cita MLA (9th ed.)

Crum, William Leonard, i Alson Currie Patton. An Introduction to the Methods of Economic Statistics. A. W. Shaw, 1925.