APA način citiranja

Roberts, G. A., & Cary, R. A. (1980). Tool steels. American society for metals.

Čikaški stil citiranja

Roberts, George A., i Robert A. Cary. Tool Steels. Ohio: American society for metals, 1980.

MLA način citiranja

Roberts, George A., i Robert A. Cary. Tool Steels. American society for metals, 1980.