APA (7th ed.) Citation

Helmberger, P. G. (1991). Economic analysis of form programs. McGraw-Hill.

Chicago Style (17th ed.) Citation

Helmberger, Peter G. Economic Analysis of Form Programs. New York: McGraw-Hill, 1991.

MLA (9th ed.) Citation

Helmberger, Peter G. Economic Analysis of Form Programs. McGraw-Hill, 1991.

Warning: These citations may not always be 100% accurate.