Gaya APA

Fenton, C, L, &, F, M, A. (1972). Riches from The Earth (The Story of our Mineral Resources). . New York: The John Day Company..

Gaya MLA

Fenton, Carrol, Lane, &, Fenton,, Mildred, Adams.. "Riches from The Earth (The Story of our Mineral Resources).". New York: The John Day Company., 1972. Text.