APA (7th ed.) Citation

Victoria. Dept. of Mines, Geological Survey of Victoria, & Crowley, B. M. (1959). Geological mapping symbols. Dept. of Mines.

Chicago Style (17th ed.) Citation

Victoria. Dept. of Mines, Geological Survey of Victoria, and B. M. Crowley. Geological Mapping Symbols. Melbourne: Dept. of Mines, 1959.

MLA (8th ed.) Citation

Victoria. Dept. of Mines, et al. Geological Mapping Symbols. Dept. of Mines, 1959.