APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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