APA Citation

Adelhelm, R., & Steck, K. (1974). Agricultural mechanisation costs and profitability. [y.y: n.pub].

Chicago Style Citation

Adelhelm, R., and K. Steck. Agricultural Mechanisation Costs and Profitability. [y.y: n.pub], 1974.

MLA Citation

Adelhelm, R., and K. Steck. Agricultural Mechanisation Costs and Profitability. [y.y: n.pub], 1974.

Warning: These citations may not always be 100% accurate.