APA (7th ed.) Citation

Simpson, E. S., & Montgomery, A. (1920). Minerals of economic value. Dept. of Mines.

Chicago Style (17th ed.) Citation

Simpson, Edward S., and A. Montgomery. Minerals of Economic Value. [Perth [W.A.]: Dept. of Mines, 1920.

MLA (8th ed.) Citation

Simpson, Edward S., and A. Montgomery. Minerals of Economic Value. Dept. of Mines, 1920.