APA (7th ed.) Citation

Specht, E., & Tanzen Witt, H. Metales diversos.

Chicago Style (17th ed.) Citation

Specht, Ernst, and Hans Tanzen Witt. Metales Diversos. Barcelona.

MLA (9th ed.) Citation

Specht, Ernst, and Hans Tanzen Witt. Metales Diversos.

Warning: These citations may not always be 100% accurate.