Cita APA (7th ed.)

Empire Mining and Metallurgical Congress & Empire Council of Mining and Metallurgical Institutions. Proceedings - Empire Mining and Metallurgical Congress. Empire Mining and Metallurgical Congress.

Cita Chicago (17th ed.)

Empire Mining and Metallurgical Congress i Empire Council of Mining and Metallurgical Institutions. Proceedings - Empire Mining and Metallurgical Congress. [s.l.]: Empire Mining and Metallurgical Congress.

Cita MLA (8th ed.)

Empire Mining and Metallurgical Congress i Empire Council of Mining and Metallurgical Institutions. Proceedings - Empire Mining and Metallurgical Congress. Empire Mining and Metallurgical Congress.