APA (7th ed.) Citation

Hexem, R. W., & Heady, E. O. (1978). Water production functions for irrigated agriculture. Iowa State University Press.

Chicago Style (17th ed.) Citation

Hexem, Roger W., and Earl Orel Heady. Water Production Functions for Irrigated Agriculture. Ames: Iowa State University Press, 1978.

MLA (9th ed.) Citation

Hexem, Roger W., and Earl Orel Heady. Water Production Functions for Irrigated Agriculture. Iowa State University Press, 1978.