APA (7th ed.) Citation

American Association of Cost Engineers & Humphreys, K. K. (1991). Jelen's cost and optimization engineering (3rd ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

American Association of Cost Engineers and Kenneth King Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. New York: McGraw-Hill, 1991.

MLA (9th ed.) Citation

American Association of Cost Engineers and Kenneth King Humphreys. Jelen's Cost and Optimization Engineering. 3rd ed. McGraw-Hill, 1991.