Cita APA (7a ed.)

Westphal, L. E. (1971). Planning Investments with Economies of Scale. North-Holland Publishing Company.

Cita Chicago Style (17a ed.)

Westphal, Larry E. Planning Investments with Economies of Scale. Amsterdam: North-Holland Publishing Company, 1971.

Cita MLA (9a ed.)

Westphal, Larry E. Planning Investments with Economies of Scale. North-Holland Publishing Company, 1971.