Cita APA (7a ed.)

Smith, G. W. (1981). Engineering economy: Analysis of capital expenditures (3rd ed., 2nd printing.). Iowa State University Press.

Cita Chicago Style (17a ed.)

Smith, Gerald W. Engineering Economy: Analysis of Capital Expenditures. 3rd ed., 2nd printing. Ames, Iowa: Iowa State University Press, 1981.

Cita MLA (9a ed.)

Smith, Gerald W. Engineering Economy: Analysis of Capital Expenditures. 3rd ed., 2nd printing. Iowa State University Press, 1981.