APA (7th ed.) Citation

United States. Bureau of Mines. (1936). Open schedules for gold and silver ores and concentrates at western custom smelters. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters. [Washington]: [s.n.], 1936.

MLA (9th ed.) Citation

United States. Bureau of Mines. Open Schedules for Gold and Silver Ores and Concentrates at Western Custom Smelters. [s.n.], 1936.