Cita APA (7a ed.)

Heady, E. O., & Dillon, J. L. Agricultural production functions (5a ed.).

Cita Chicago Style (17a ed.)

Heady, Earl O., y John L. Dillon. Agricultural Production Functions. 5a ed.

Cita MLA (8a ed.)

Heady, Earl O., y John L. Dillon. Agricultural Production Functions. 5a ed.