APA (7th ed.) Citation

Johnson F Robert, M. (1963). Geology and bouxite deposits of the central Riau Islands Indonesia. Direktorat Geologi.

Chicago Style (17th ed.) Citation

Johnson F Robert, Marjono. Geology and Bouxite Deposits of the Central Riau Islands Indonesia. Direktorat Geologi, 1963.

MLA (8th ed.) Citation

Johnson F Robert, Marjono. Geology and Bouxite Deposits of the Central Riau Islands Indonesia. Direktorat Geologi, 1963.

Warning: These citations may not always be 100% accurate.