APA
National Institute for Metallurgy, . (1973). Minerals Science and Engineering. Johannesburg: National Institute for Metallurgy.
Chicago
National Institute for Metallurgy, . 1973. Minerals Science and Engineering. Johannesburg: National Institute for Metallurgy.
Harvard
National Institute for Metallurgy, . (1973). Minerals Science and Engineering. Johannesburg: National Institute for Metallurgy.
MLA
National Institute for Metallurgy, . Minerals Science and Engineering. Johannesburg: National Institute for Metallurgy. 1973.