APA Edition Citation

Brown, J. E., & Wolf, H. A. (1971). Economics: Principles and practices.

Chicago Edition Citation

Brown, James E., and Harold A. Wolf. Economics: Principles and Practices. Cloumbus, Charles E Merrill publishing Co, 1971.

MLA Edition Citation

Brown, James E., and Harold A. Wolf. Economics: Principles and Practices. 1971.