APA (7th ed.) Citation

Spruth, F. (1955). Face supports in steel and light metal (2nd. enl. ed.). Colliery Guardian Co..

Chicago Style (17th ed.) Citation

Spruth, Fritz. Face Supports in Steel and Light Metal. 2nd. enl. ed. London: Colliery Guardian Co., 1955.

MLA (9th ed.) Citation

Spruth, Fritz. Face Supports in Steel and Light Metal. 2nd. enl. ed. Colliery Guardian Co., 1955.