APA (7th ed.) Citation

Coghill, W. H., & DeVaney, F. D. (1929). Beneficiation of oxidized manganese ores by magnetic separation of roasted jig concentrates. [publisher not identified].

Chicago Style (17th ed.) Citation

Coghill, Will H., and Fred Daniel DeVaney. Beneficiation of Oxidized Manganese Ores by Magnetic Separation of Roasted Jig Concentrates. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Coghill, Will H., and Fred Daniel DeVaney. Beneficiation of Oxidized Manganese Ores by Magnetic Separation of Roasted Jig Concentrates. [publisher not identified], 1929.