APA (7th ed.) Citation

Heady, E. O., & Dillon, J. L. (1969). Agricultural Production Functions (4. print.). Iowa State Univ. Pr.

Chicago Style (17th ed.) Citation

Heady, Earl O., and John L. Dillon. Agricultural Production Functions. 4. print. Ames, Iowa: Iowa State Univ. Pr, 1969.

MLA (9th ed.) Citation

Heady, Earl O., and John L. Dillon. Agricultural Production Functions. 4. print. Iowa State Univ. Pr, 1969.