APA (7th ed.) Citation

Shumway, C. R. (1991). Production economics: Worthwhile investment? Dept. of Agricultural Economics, Texas A&M University.

Chicago Style (17th ed.) Citation

Shumway, C. Richard. Production Economics: Worthwhile Investment? College Station, Tex.: Dept. of Agricultural Economics, Texas A&M University, 1991.

MLA (9th ed.) Citation

Shumway, C. Richard. Production Economics: Worthwhile Investment? Dept. of Agricultural Economics, Texas A&M University, 1991.