APA (7th ed.) Citation

Dun and Bradstreet, inc., New York, & Foulke, R. A. (1955). The genesis of the fourteen important ratios. [publisher not identified].

Chicago Style (17th ed.) Citation

Dun and Bradstreet, inc., New York, and Roy Anderson Foulke. The Genesis of the Fourteen Important Ratios. [New York]: [publisher not identified], 1955.

MLA (9th ed.) Citation

Dun and Bradstreet, inc., New York, and Roy Anderson Foulke. The Genesis of the Fourteen Important Ratios. [publisher not identified], 1955.