APA Style
Mines, U, S, D, O, T, I, B, O. (1956).
Mineral Facts and Problems (1985 Edition).
Washington D.C:
United States Department of the Interior Bureau of Mines.
MLA Style
Mines, United, States, Department, Of, The, Interior, Bureau, Of.
"Mineral Facts and Problems".
1985 Edition
Washington D.C:
United States Department of the Interior Bureau of Mines,
1956.
Teknik.