APA Edition Citation

Heady, E. O., & Hexem, R. W. (1978). Water production functions for irrigated agriculture. Iowa state university press.

Chicago Edition Citation

Heady, Earl O., and Roger W. Hexem. Water Production Functions for Irrigated Agriculture. Ames: Iowa state university press, 1978.

MLA Edition Citation

Heady, Earl O., and Roger W. Hexem. Water Production Functions for Irrigated Agriculture. Iowa state university press, 1978.