APA (7th ed.) Citation

Ullrich, H. (1969). El metal. Bouret.

Chicago Style (17th ed.) Citation

Ullrich, Heinz. El Metal. Francia: Bouret, 1969.

MLA (9th ed.) Citation

Ullrich, Heinz. El Metal. Bouret, 1969.

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