APA (7th ed.) Citation

Ballard, F. W. (1919). The valuation of public utilities: Paper presented to the Cleveland Engineering Society, September 17, 1919. s.n.

Chicago Style (17th ed.) Citation

Ballard, F. W. The Valuation of Public Utilities: Paper Presented to the Cleveland Engineering Society, September 17, 1919. S.l: s.n, 1919.

MLA (9th ed.) Citation

Ballard, F. W. The Valuation of Public Utilities: Paper Presented to the Cleveland Engineering Society, September 17, 1919. s.n, 1919.